1. Čapkovič F., L. Doukovska, V. Atanassova - Cooperation of Substantial Agents in Multi-Agent Systems, International Journal of Data Science, USA, 2016, ISSN online 2053-082X, ISSN print 2053-0811, vol. 1, 4, 353-369.
  2. Doukovska, L., Shahpazov, G., V. Atanassova - Intercriteria analysis of the creditworthiness of SMEs. A case study. Notes on Intuitionistic Fuzzy Sets, 22, 2, Prof. Marin Drinov Publishing House, 2016, ISSN:1310-4926, 108-118.
  3. Doukovska L., V. Atanassova, G. Shahpazov, Е. Sotirovа - Generalized Net Model of the Creditworthiness Financial Support Mechanism for the SMEs, International Journal of Computing and Informatics, Bratislava, Slovakia, ISSN 1335-9150, 2016 (to be published).
  4. Dyankova, S., Doneva, M., Todorov, Y., M. Terziyska - Determination of particle size distribution and analysis of a natural food supplement on pectin base. IOSR Journal Of Pharmacy, 6, 5, IOSR, 2016, ISSN:2319-4219, 1-8.
  5. Dzhambov, V., V. Sgurev - On the Fast Computing of Some Constants. Comptes rendus de l’Academie bulgare des Sciences, 69, 1, Prof. Marin Drinov Academic Publishing House, 2016, ISSN:1310-1331, 11-18. SJR:0.21, ISI IF:0.284
  6. Hadjiski, M., Doukovska, L., Nikolov, M., S. Koynov - Intelligent Multi-Soft Sensing for Flame Position of Steam Boilers. Cybernetics and Information Technologies, 16, 1, Prof. Marin Drinov Academic Publishing House, 2016, ISSN:1311-9702, DOI:10.1515/cait-2016-0013, 158-172. SJR:0.212
  7. Hadjiski, M., L. Doukovska - Intelligent Technical Fault Condition Diagnostics of Mill Fan. In Book: Novel Applications of Intelligent Systems, Series: Studies in Computational Intelligence, 586, Springer International Publishing, 2016, ISBN:978-3-319-14193-0, DOI:10.1007/978-3-319-14194-7_2, 12, 23-39.
  8. Kirilov, L., Guliashki, V., Genova, K., V. Angelova - An overview of miltiple objective job shop scheduling techniques. Jokull Journal, 66, 2, Jokull, 2016, ISSN:0449-0576, 172-206. ISI IF:0.833
  9. Popchev, I., V. Angelova - Residual Bound for the Matrix Equation from Interpolation Problems. Comptes rendus de l’Academie bulgare des Sciences, 69, 8, BAS, 2016, ISSN:1310-1331, 957-962. SJR:0.21, ISI IF:0.284
  10. Savov, S., I. Popchev - Exact Upper Bounds for Several Sets of Parameter Dependent Discrete Lyapunov Equations. Comptes rendus de l’Academie bulgare des Sciences, 69, 11, Prof. Marin Drinov Publishing House, 2016, ISSN:1310–1331, 1485-1492. SJR:0.206, ISI IF:0.233
  11. Savov, S., I. Popchev - New Upper Solution Bound for One Class of Uncertain Discrete-Time Lyapunov Equations. Comptes rendus de l’Academie bulgare des Sciences, 69, 4, Prof. Marin Drinov Publishing House, 2016, ISSN:1310–1331, 481-488. SJR:0.206, ISI IF:0.233
  12. Sgurev, V., St. Drangajov - Decision Making in Intelligent Resource Networks under Risk. Proc. of the International IEEE Confrerence on Intelligent Systems, IEEE Xplore, 2016, ISBN:978-1-5090-1353-1, 272-279.
  13. Sgurev, V., St. Drangajov - Optimal Control of Technological Innovations in Post-Conflict Regions by Minimization of Admissible Network Investments and Risks. IFAC-PapersOnLine, 48, 24, Elsevier Ltd., 2016, DOI:10.1016/j.ifacol.2015.12.055, 49-53.
  14. Sgurev, V. - Features of the Imaginary and Complex Sets. Comptes rendus de l’Academie bulgare des Sciences, 69, 12, Prof. Marin Drinov Publishing House, 2016, ISSN:1310-1331, 1541-1548. SJR:0.21, ISI IF:0.284
  15. Stancheva, N., Popchev, I., Stoyanova-Doycheva, A., S. Stoyanov - Automatic generation of test questions by software agents using ontologies. Proc. of the IEEE International Conference on Intelligent Systems, September 4-6, 2016, Sofia, Bulgaria, IEEE Xplore, 2016, ISBN:978-1-5090-1354-8, 741-746.
  16. Todorov, J., Stoyanov, S., Valkanov, V., Daskalov, B., I. Popchev - Learning Intelligent System for Student Assistance – LISSA. Proc. of the IEEE International Conference on Intelligent Systems, September 4-6, 2016, Sofia, Bulgaria, IEEE Xplore, 2016, ISBN:978-1-5090-1354-8, 753-757.
  17. Todorov, Y., M. Terziyska - Intuitionistic Neo-Fuzzy Network for modeling of nonlinear systems dynamics. Proc. of the International IEEE Confrerence on Intelligent Systems, IEEE Xplore, 2016, ISBN:978-1-5090-1353-1, DOI:10.1109/IS.2016.7737491, 616-621.
  18. Todorov, Y., M. Terziyska - Intuitionistic Neo-Fuzzy predictive control. Proc. of the International IEEE Confrerence on Intelligent Systems, IEEE Xplore, 2016, ISBN:978-1-5090-1353-1, DOI:10.1109/IS.2016.7737494, 635-640.
  19. Atanassova V., L. Doukovska, A. Michalíková, I. Radeva - InterCriteria analysis: From pairs to triples, Notes on Intuitionistic Fuzzy Sets (NIFS), 2016, ISSN 1310-4926, vol. 22, 5, 98-110.
  20. Sotirova, E., Sotirov, S., Atanassova, L., Atanassov, K., Bureva, V., L. Doukovska - Game Method for Modelling with Intuitionistic Fuzzy Rules. Studies in Fuzziness and Soft Computing, Springer International Publishing, 2016, ISSN:1434-9922 (to be published).
  21. Todorov, Y., Terziyska, M., M. Olteanu - Input space selective fuzzification in semi-fuzzy neural netwotks. International IEEE conference on Electornics, Computers and Artificial Intelligence, IEEE, 2016, (to be published).
  22. Vankova, D., Sotirov, S., L. Doukovska - An Application of Neural Network to Health-Related Quality of Life Process with Intuitionistic Fuzzy Estimation. Studies in Fuzziness and Soft Computing, Springer International Publishing, 2016, ISSN:1434-9922, (to be published).
  23. Dzhambov, V., Sgurev, V., St. Drangajov - Quick Computation of Definite Integrals with High Precision Using the Multi-Core Architecture of Modern Processors. Proc. of the International Conference of Automatics and Informatics ‘2016, John Atanasoff Society of Automatics and Informatics, 2016, ISSN 1313-1850, 197-201.
  24. Sgurev, V., St. Drangajov - Two Stage Method for Network Flow Control of Resources and the Risks Related to Them. Proc. of the International Conference of Automatics and Informatics ‘2016, John Atanasoff Society of Automatics and Informatics, 2016, ISSN 1313-1850, 143-149.
  25. Попчев, И., А. Иванов - Изследване на публикационната активност в областта на невронните мрежи. Юбилейна научна конференция с международно участие “Новата идея в образованието”, Бургаски свободен университет, фонд “Научни изследвания – Министерство на образованието и науката”, II, 2016, ISBN:978-619-7126-28-0, 545-552.
  26. Попчев, И., М. Хаджийски - Академик Васил Сгурев на 80 години. Списание на Българската академия на науките, година CXXIX, 4, БАН, 2016, ISSN 0007-3989, 53-55.
  27. Попчев, И. - Реалният свят да се върне обратно в класната стая. Юбилейна научна конференция с международно участие “Новата идея в образованието”, Бургаски свободен университет, фонд “Научни изследвания – Министерство на образованието и науката”, I, 2016, ISBN 978-619-7126-28-0, 11-32.
  28. Попчев, И. - Рискът в новата парадигма. Мениджмънт и лидерство (под редакцията на доц. д-р Димитър Панайотов), Издателство на Нов български университет, 2016, ISBN 978-954-535-499-1, 95-118.
  29. Сгурев, В., Лалов, И., Ст. Дрангажов - Проблеми и предизвикателства към компютърното управление в открития минен добив. Proceedings of the national scientific and technical conference with international participation „AUTOMATION IN MINING INDUSTRY AND METALLURGY“ BULCAMC `26, Nov. 10-11, 2016, Sofia, Bulgaria, Научно-технически съюз по минно дело, геология и металургия, 2016, ISSN:1314-4537, 136-140.
  30. Стоянов, С., Орозова, Д., И. Попчев - Виртуалното образователно пространство – настояще и бъдеще. Юбилейна научна конференция с международно участие “Новата идея в образованието”, Бургаски свободен университет, фонд “Научни изследвания – Министерство на образованието и науката”, II, 2016, ISBN 978-619-7126-28-0, 410-418.

  1. Atanassova V., L. Doukovska, D. Mavrov, K. Atanassov - InterCriteria Decision Making Approach to EU Member States Competitiveness Analysis: Temporal and Threshold Analysis, Proc. of the 7th IEEE International Conference Intelligent Systems - IS’14, September 24–26 2014, Warsaw, Poland, ISSN 2194-5357, ISSN 2194-5365 (electronic), ISBN 978-3-319-11312-8, ISBN 978-3-319-11313-5 (eBook), DOI 10.1007/978-3-319-11313-5, Volume 1: Mathematical Foundations, Theory, Analyses, Springer International Publishing, Switzerland, P. Angelov et al. (eds.), Advances in Intelligent Systems and Computing vol. 322, pp. 95-106, 2015.
  2. Atanassova V., L. Doukovska, D. Karastoyanov, F. Čapkovič - InterCriteria Decision Making Approach to EU Member States Competitiveness Analysis: Trend Analysis, Proc. of the 7th IEEE International Conference Intelligent Systems - IS’14, September 24–26 2014, Warsaw, Poland, ISSN 2194-5357, ISSN 2194-5365 (electronic), ISBN 978-3-319-11312-8, ISBN 978-3-319-11313-5 (eBook), DOI 10.1007/978-3-319-11313-5, Volume 1: Mathematical Foundations, Theory, Analyses, Springer International Publishing, Switzerland, P. Angelov et al. (eds.), Advances in Intelligent Systems and Computing vol. 322, pp. 107-115, 2015.
  3. Terziyska M., L. Doukovska, M. Petrov - Implicit Generalized Predictive Controller Based on Semi Fuzzy Neural Network Model, Proc. of the 7th IEEE International Conference Intelligent Systems - IS’14, September 24–26 2014, Warsaw, Poland, ISSN 2194-5357, ISSN 2194-5365 (electronic), ISBN 978-3-319-11312-8, ISBN 978-3-319-11313-5 (eBook), DOI 10.1007/978-3-319-11313-5, Volume 1: Mathematical Foundations, Theory, Analyses, Springer International Publishing, Switzerland, P. Angelov et al. (eds.), Advances in Intelligent Systems and Computing vol. 322, pp. 695-706, 2015.
  4. Terziyska M., Y. Todorov, L. Doukovska - Neo-Fuzzy Neural Network for Modelling of Nonlinear MIMO Dynamics, Journal of the Fundamental Sciences and Applications, vol. 21, № 1, International Conference on Engineering, Technologies and Systems – TECHSYS’15, Technical University – Sofia Plovdiv branch, Bulgaria, ISSN 1310-8271, pp. 65-71, 2015.
  5. Todorov Y., M. Terziyska, L. Doukovska - Distributed Fuzzy-Neural State-Space Predictive Control, Proc. of the 20th IEEE International Conference on Process Control – PC’15, Strbske Pleso, Slovakia, DOI 10.1109/PC.2015.7169934, IEEEXplore, pp. 31-36, 2015.
  6. Doukovska L. - Conventional Hough Detector in Presence of Randomly Arriving Impulse Interference, Proc. of the International Radar Symposium – IRS’15, Dresden, Germany, ISBN 978-3-95404-853-3, vol. 1, pp. 487-492, 2015.
  7. Mavrov D., I. Radeva, K. Atanassov, L. Doukovska, I. Kalaykov - InterCriteria Software Design: Graphic Interpretation within the Intuitionistic Fuzzy Triangle, Proc. of the International Symposium on Business Modeling and Software Design – BMSD’15, Milan, Italy, ISBN 979-989-758-111-3, pp. 279-283, 2015.
  8. Doukovska L., V. Atanassova, G. Shahpazov, F. Čapkovič - InterCriteria Analysis Applied to Various EU Enterprises, Proc. of the International Symposium on Business Modeling and Software Design – BMSD’15, Milan, Italy, ISBN 979-989-758-111-3, pp. 284-291, 2015.
  9. Doukovska L., D. Karastoyanov, N. Stoymenov, I. Kalaykov - InterCriteria Decision Making Approach for Iron Powder Briquetting, Proc. of the International Symposium on Business Modeling and Software Design – BMSD’15, Milan, Italy, ISBN 979-989-758-111-3, pp. 292-296, 2015.
  10. Karastoyanov D., L. Doukovska, S. Gyoshev, I. Kalaykov - InterCriteria Decision Making Approach for Metal Chips Briquetting, Proc. of the International Symposium on Business Modeling and Software Design – BMSD’15, Milan, Italy, ISBN 979-989-758-111-3, pp. 297-301, 2015.
  11. Doukovska L. - Track-Before-Detect Procedure using Hough Velocity Estimation Technique, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 68, № 9, pp. 1153-1160, 2015 (Impact Factor = 0.284).
  12. Atanassova V., I. Vardeva, E. Sotirova, L. Doukovska - Traversing and Ranking of Elements of an Intuitionistic Fuzzy Set in the Intuitionistic Fuzzy Interpretation Triangle, Proc. of the International Conference on Intuitionistic Fuzzy Sets and Generalized Nets – IFSGN’15, Krakow, Poland, In: Novel Developments in Uncertainty Representation and Processing, K. Atanassov, O. Castillo, J. Kacprzyk, M. Krawczak, P. Melin, S. Sotirov, E. Sotirova, E. Szmidt, G. De Tre, S. Zadrozny (Eds.), ISSN 2194-5357, ISSN 2194-5365 (electronic), ISBN 978-3-319-26210-9, ISBN 978-3-319-26211-6 (eBook), DOI 10.1007/978-3-319-26211-6_14, Book series 401: Advances in Intelligent Systems and Computing, Springer International Publishing, Switzerland, pp. 161-174, 2015.
  13. Čapkovič F., L. Doukovska, V. Atanassova - Automated Control Synthesis for Discrete Event Systems, Proc. of the Conference Big Data, Knowledge and Control Systems Engineering – BdKCSE’15, Sofia, Bulgaria, ISSN 2367-6450, pp. 139-148, 2015.
  14. Čapkovič F., L. Doukovska, V. Atanassova - Cooperation of Substantial Agents in Multi-Agent Systems, International Journal of Data Science, USA, ISSN online 2053-082X, ISSN print 2053-0811, 2015 (to be published).
  15. Doukovska L., V. Atanassova - InterCriteria Decision Making Approach in Radar Detection Threshold Analysis, Notes on Intuitionistic Fuzzy Sets (NIFS), ISSN 1310-4926, 2015 (to be published).
  16. Hadjiski M., L. Doukovska - Intelligent Technical Fault Condition Diagnostics of Mill Fan, In Book: Novel Applications of Intelligent Systems, Series: Studies in Computational Intelligence, Book Chapter, Hadjiski, M., Kasabov, N., Filev, D., Jotsov, V. (Eds.), Springer International Publishing, Switzerland, eBook ISBN 978-3-319-14194-7, Hardcover ISBN 978-3-319-14193-0, Series ISSN 1860-949X, 2015 (to be published).
  17. Hadjiski M., L. Doukovska, M. Nikolov, S. Koynov - Intelligent Multi-Soft Sensing for Flame Position of Steam Boilers, Cybernetics and Information Technologies (CIT), Print ISSN 1311-9702, Online ISSN 1314-4081, 2015 (to be published).
  18. Doukovska L., V. Atanassova, G. Shahpazov - Generalized Net Model of the Creditworthiness Financial Support Mechanism for the SMEs, International Journal of Computing and Informatics, Bratislava, Slovakia, ISSN 1335-9150, 2015 (to be published).
  19. Sgurev V. - An Essay on Real Imaginary and Complex Sets, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 68, № 7, pp. 833-842, 2015 (Impact Factor = 0.284).
  20. Sgurev V. - Features of Equivalence in the Complex S-logic, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 68, № 11, pp. 1357-1364, 2015 (Impact Factor = 0.284).
  21. Sgurev V., St. Drangajov - Intelligent Control of flows with Risk on a Network, Proc. of the 7-th IEEE International Conference Intelligent Systems - IS’2014, Springer International Publishing, Switzerland, ISSN 2194-5357, ISSN 2194-5365 (electronic), ISBN 978-3-319-11309-8, DOI 10.1007/978-3-319-11310-4, vol. 2, pp. 27-37, 2015.
  22. Sgurev V., St. Drangajov - Optimal Control of the Flow of Risk on Networks, Proc. of the International Conference AUTOMATICS AND INFORMATICS’15, 4-7 October 2015, Sofia, Bulgaria, PROCEEDINGS CD: ISSN 1313-1869, Published by JOHN ATANASOFF SOCIETY OF AUTOMATICS AND INFORMATICS, pp. 119-123, 2015.
  23. Sgurev V., St. Drangajov - Optimal Control of Technological Innovations in Post-Conflict Regions by Minimization of Admissible Network Investments and Risks, Proc. of the 16th IFAC Conference on Technology, Culture and International Stability – TECIS‘15, Sozopol, Bulgaria, 2015 (to be published).
  24. Hadjiski, M., Н. Deliiski - Cost Oriented Suboptimal Control of the Thermal Treatment of Wood Materials, Proc. of the 16th IFAC Conference on Technology, Culture and International Stability – TECIS‘15, Sozopol, Bulgaria, 2015 (to be published).
  25. Dzhambov V., V. Sgurev - On the Fast Computing of Some Constants, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, 2015 (to be published), (Impact Factor = 0.284).
  26. Dzhambov V. - Methods for Efficient Computing of Some Constants on PC, Journal Problems of Engineering Cybernetics and Robotics, Print ISSN 0204-9848, Online ISSN 1314-409X, 2015 (to be published).
  27. Dzhambov V. - Solving Nonlinear Ordinary Differential Equations in .NЕТ Framework Environment with X-MPIR, Journal Information Technologies and Control, ISSN 1312-2622, № 2, pp. 2-8, 2015.
  28. Terziyska M. - A Distributed Adaptive Neuro-Fuzzy Network for Chaotic Time Series Prediction, Cybernetics and Information Technologies, vol. 15, № 1, 2015, ISSN 1311-9702, DOI 10.1515/cait-2015-0003, pp. 24-33, 2015 (SJR: 0.212).
  29. Todorov Y., M. Terziyska - Simple heuristic approach for training of Type-2 NEO-Fuzzy Neural Network, Proc. of the 20th IEEE International Conference on Process Control – PC’15, Strbske Pleso, Slovakia, DOI 10.1109/PC.2015.7169976, IEEEXplore, pp. 278-283, 2015.
  30. Todorov Y., M. Terziyska, M. Petrov - NEO-Fuzzy State-Space Predictive Control, IFAC Papers On-line, 2015 (to be published).
    31. Savov S., I. Popchev - Upper Bound for the Maximal Singular Value of a Squared Affine Parameter – Dependent Matrix, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 68, № 3, pp. 367-374, 2015 (Impact Factor = 0.284).
  31. Savov S., I. Popchev - Robust Stability Analysis for a Perturbed Single-Area Power System Model, Cybernetics and Information Technologies, vol. 15, № 4, 2015, ISSN 1311-9702, DOI 10.1515/cait-2015-0053, pp. 42-49, 2015 (SJR: 0.212).
  32. Popchev I., V. Angelova - Residual bounds of the nonlinear matrix equation X + A*F(X)A = Q, International Journal of Data Science, USA, ISSN online 2053-082X, ISSN print 2053-0811, 2015 (to be published).
  33. Popchev I. - A Multi-Step Procedure for Asset Allocation in Case of Limited Resources, Cybernetics and Information Technologies, vol. 15, № 3, 2015, ISSN 1311-9702, DOI 10.1515/cait-2015-0040, pp. 41-51, 2015 (SJR: 0.212).
  34. Miteva D., K. Dimov, I. Nacheva, Y. Todorov, M. Doneva, P. Metodieva, Tsv. Tsvetkov - Prolongation of the Storage and Quality Preservation of Potato Semi-finished Foods by Specific Technological Ttreatment. Bulgarian Journal of Agricultural Science, vol. 20, № 1, Agricultural Academy, Bulgaria, ISSN 1310-0351, pp. 184-187, 2015 (SJR: 0.196).
  35. Valkanov V., S. Stoyanova-Doycheva, S. Doychev, S. Stoyanov, I. Popchev, I. Radeva - AjTempura – First Software Prototype of C3A Model. Proc. of the 7th IEEE International Conference Intelligent Systems - IS’2014, Warsaw, Poland, Part 1: Mathematical Foundations, Theory, Analyses. Senies. Advances in Intelligent Systems and Computing, vol. 322, № 1, Springer International Publishing Switzerland, ISBN 978-3-319-11312-5, ISSN 2194-5357, pp. 427-438, 2015.
  36. Todorov Y., M. Terziyska, I. Nacheva, M. Doneva, P. Metodieva - Analysis of the particle distributuon in granular functional food, Journal on Fundamental Sicences and Applications, Technical University-Sofia, branch Plovdiv, vol. 21, № 1, ISSN 1310-8271, pp. 361-366, 2015.
  37. Георгиева П., И. Попчев - Ефективно разпределение на финансовите ресурси: два подхода от софт-компютинг, Сборник с доклади от юбилейната научно-практическа конференция с международно участие “Времена на несигурност и рискове: възможности и перспективи за развитие”, Университетско издателство “П. Хилендарски”, Пловдив, ISBN 978-619-202-036-1, 1, стр. 293-300, 2015.
  38. Дойчев Е., К. Граматикова, А. Стоянова-Дойчева, И. Попчев - Образователен портал DeLC2.0, Научна конференция с международно участие “Хоризонти в развитието на човешките ресурси и знанието”, Бургас, ISBN 978-619-7126-11-2, 2, стр. 411-418, 2015.
  39. Стоянов С., Д. Орозова, И. Попчев, Е. Дойчев - Виртуално пространство за продължаващо обучение, Научна конференция с международно участие “Хоризонти в развитието на човешките ресурси и знанието”, Бургас, ISBN 978-619-7126-11-2, 2, стр. 419-425, 2015.
  40. Попчев И., М. Георгиева - Наукометричен анализ в областта на BIGDATA, Научна конференция с международно участие “Хоризонти в развитието на човешките ресурси и знанието”, Бургас, ISBN 978-619-7126-11-2, 2, стр. 469-476, 2015.
  41. Попчев И. - Реалният свят да влезе в аудиторията, Сборник с доклади от юбилейната научно-практическа конференция с международно участие “Времена на несигурност и рискове: възможности и перспективи за развитие”, Университетско издателство “П. Хилендарски”, Пловдив, ISBN 978-619-202-036-1, стр. 13-23, 2015.
  42. Попчев И. - Инфраструктури за електронно обучение, Техносфера, 4 (30), Марин Дринов, ISSN 1313-3861, стр. 13-24, 2015.

  1. Doukovska L., S. Vassileva - Intelligent Methods for Process Control and Diagnostics of Mill Fan System, Cybernetics and Information Technologies (CIT), Print ISSN 1311-9702; Online ISSN 1314-4081, DOI 10.2478/cait-2014-0012, vol. 14, №1, 2014, pp. 151-160.
  2. Atanassova V., D. Mavrov, L. Doukovska, K. Atanassov - Discussion on the Threshold Values in the InterCriteria Decision Making Approach, Proceedings of the 18th International Conference on Intuitionistic Fuzzy Sets, Notes on Intuitionistic Fuzzy Sets (NIFS), vol. 20, №2, ISSN 1310-4926, Sofia, 10–11 May, 2014, pp. 94-99.
  3. Shahpazov G., L. Doukovska, V. Atanassova - Uncertainty Modeling in the Process of SMEs Financial Mechanism Using Intuitionistic Fuzzy Estimations, Proceedings of the International Symposium on Business Modeling and Software Design – BMSD’14, 24-26 June 2014, Luxembourg, Grand Duchy of Luxembourg, ISBN 978-989-758-032-1, 2014, pp. 271-275.
  4. Hadjiski M., L. Doukovska, S. Koynov, V. Monov, V. Nikov - Significance of the Predictive Maintenance Strategies for SMEs, Proceedings of the International Symposium on Business Modeling and Software Design – BMSD’14, 24-26 June 2014, Luxembourg, Grand Duchy of Luxembourg, ISBN 978-989-758-032-1, 2014, pp. 276-281.
  5. Shahpazov V., L. Doukovska, D. Karastoyanov - Artificial Intelligence Neural Networks Applications in Forecasting Financial Markets and Stock Prices, Proceedings of the International Symposium on Business Modeling and Software Design – BMSD’14, 24-26 June 2014, Luxembourg, Grand Duchy of Luxembourg, ISBN 978-989-758-032-1, 2014, pp. 282-288.
  6. Atanassova V., L. Doukovska, K. Atanassov, D. Mavrov - InterCriteria Decision Making Approach to EU Member States Competitiveness Analysis, Proceedings of the International Symposium on Business Modeling and Software Design – BMSD’14, 24-26 June 2014, Luxembourg, Grand Duchy of Luxembourg, ISBN 978-989-758-032-1, 2014, pp. 289-294.
  7. Sgurev V., S. Drangajov, L. Doukovska - Maximum Message Flow and Capacity in Sensor Networks, Proceedings of the Third International Conference on Telecommunications and Remote Sensing – ICTRS’14, 26-27 June 2014, Luxembourg, Grand Duchy of Luxembourg, ISBN 978-989-758-033-8, 2014, pp. 74-80.
  8. Karastoyanov D., L. Doukovska, V. Atanassova - Electromagnetic Linear Micro Drives for Braille Screen: Characteristics, Control and Optimization, Proceedings of the Third International Conference on Telecommunications and Remote Sensing – ICTRS’14, 26-27 June 2014, Luxembourg, Grand Duchy of Luxembourg, ISBN 978-989-758-033-8, 2014, pp. 88-93.
  9. Vassileva S., L. Doukovska, V. Sgurev - AI-Based Diagnostics for Fault Detection and Isolation in Process Equipment Service, International Journal of Computing and Informatics, Bratislava, Slovakia, vol. 33, №2, ISSN 1335-9150, 2014, pp. 387-409.
  10. Atanassova V., L. Doukovska, D. Mavrov, K. Atanassov - InterCriteria Decision Making Approach to EU Member States Competitiveness Analysis: Temporal and Threshold Analysis, Proceedings of the 7th IEEE International Conference Intelligent Systems - IS’14, September 24–26 2014, Warsaw, Poland, ISSN 2194-5357, ISSN 2194-5365 (electronic), ISBN 978-3-319-11312-8, ISBN 978-3-319-11313-5 (eBook), DOI 10.1007/978-3-319-11313-5, Volume 1: Mathematical Foundations, Theory, Analyses, Springer International Publishing, Switzerland, P. Angelov et al. (eds.), Advances in Intelligent Systems and Computing vol. 322, 2014, pp. 95-106.
  11. Atanassova V., L. Doukovska, D. Karastoyanov, Fr. Čapkovič - InterCriteria Decision Making Approach to EU Member States Competitiveness Analysis: Trend Analysis, Proceedings of the 7th IEEE International Conference Intelligent Systems - IS’14, September 24–26 2014, Warsaw, Poland, ISSN 2194-5357, ISSN 2194-5365 (electronic), ISBN 978-3-319-11312-8, ISBN 978-3-319-11313-5 (eBook), DOI 10.1007/978-3-319-11313-5, Volume 1: Mathematical Foundations, Theory, Analyses, Springer International Publishing, Switzerland, P. Angelov et al. (eds.), Advances in Intelligent Systems and Computing vol. 322, 2014, pp. 107-115.
  12. Terziyska M., L. Doukovska, M. Petrov - Implicit Generalized Predictive Controller Based on Semi Fuzzy Neural Network Model, Proceedings of the 7th IEEE International Conference Intelligent Systems - IS’14, September 24–26 2014, Warsaw, Poland, ISSN 2194-5357, ISSN 2194-5365 (electronic), ISBN 978-3-319-11312-8, ISBN 978-3-319-11313-5 (eBook), DOI 10.1007/978-3-319-11313-5, Volume 1: Mathematical Foundations, Theory, Analyses, Springer International Publishing, Switzerland, P. Angelov et al. (eds.), Advances in Intelligent Systems and Computing vol. 322, 2014, pp. 695-706.
  13. Shahpazov G., L. Doukovska, K. Atanassov - Generalized Net Model of Internal Structural Unit Functionality Focused on SME Financing, In: Modern Developments in Fuzzy Sets, Intuitionistic Fuzzy Sets, Generalized Nets and Related Topics, K. Atanassov, M. Baczynski, J. Drewniak, J. Kacprzyk, M. Krawczak, E. Szmidt, M. Wygralak, S. Zadrozny (Eds.), 2014 (to be published).
  14. Shahpazov G., L. Doukovska, V. Atanassova - Assessment Finance Approach from the Glance of a Generalized Net Model Implemented in a Structural Unit of a Financial Institution, In: Modern Developments in Fuzzy Sets, Intuitionistic Fuzzy Sets, Generalized Nets and Related Topics, K. Atanassov, M. Baczynski, J. Drewniak, J. Kacprzyk, M. Krawczak, E. Szmidt, M. Wygralak, S. Zadrozny (Eds.), 2014, (to be published).
  15. Terziyska M., L. Doukovska - Semi fuzzy neural networks, Part 1: Nonlinear system identification, Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp. 18-23.
  16. Terziyska M., L. Doukovska - Semi fuzzy neural networks, Part 2: Predictive control, Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp. 24-28.
  17. Shahpazov G., L. Doukovska - Optimisation procedures in SMEs financial mechanism, Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp. 57-62.
  18. Nikov V., L. Doukovska - Significance of the Advanced Control and Optimisation for SMEs, Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp. 63-66.
  19. Shahpazov V., L. Doukovska - Forecasting financial markets with artificial intelligence, Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp. 67-74.
  20. Čapkovič F., L. Doukovska, V. Atanassova - Comparison of Two Kinds of Cooperation of Substantial Agents, Proceedings of the Conference Big Data, Knowledge and Control Systems Engineering - BdKCSE 2014, Sofia, Bulgaria (to be published).
  21. Doukovska L., V. Atanassova, G. Shahpazov - Generalized Net Model of the Creditworthiness Financial Support Mechanism for the SMEs, International Journal of Computing and Informatics, Bratislava, Slovakia, ISSN 1335-9150, 2014 (to be published).
  22. Doukovska L., S. Koynov - Possibilities for Applications of the Model-Based Predictive Control in thermal Power Plants, Proceedings of the International Conference on Robotics, Automation and Mechatronics - RAM 2014, ISSN 1314-4634, 2014, (to be published).
  23. Terziyska M., L. Doukovska, Y. Todorov - Fuzzy-Neural Predictive Control with Simplified Newtonian Optimization Approaches, Proceedings of the International Conference on Robotics, Automation and Mechatronics - RAM 2014, ISSN 1314-4634, 2014, (to be published).
  24. Sgurev V., St. Drangajov - Risk estimation and stochastic control of innovation processes, Cybernetics and Information Technologies (CIT), Print ISSN 1311-9702; Online ISSN 1314-4081, DOI 10.2478/cait-2014-0012, vol. 14, №1, 2014, pp. 3-10.
  25. Sgurev V., St. Drangajov - Intelligent Control of Flows with Risks on a Network, Proceedings of the 7th IEEE International Conference Intelligent Systems - IS’14, September 24–26 2014, Warsaw, Poland, ISSN 2194-5357, ISSN 2194-5365 (electronic), ISBN 978-3-319-11309-8, ISBN 978-3-319-11310-4 (eBook), DOI 10.1007/978-3-319-11310-4, Volume 2: Tools, Architectures, Systems, Applications, Springer International Publishing, Switzerland, P. Angelov et al. (eds.), Advances in Intelligent Systems and Computing vol. 323, 2014, pp. 27-35.
  26. Sgurev V., St. Drangajov - Problems of the Big Data and Some Applications, Proceedings of the Conference Big Data, Knowledge and Control Systems Engineering - BdKCSE 2014, Sofia, Bulgaria (to be published).
  27. Sgurev V., St. Drangajov - Minimal Cost Circulation of Mobile Agents on a Risky Network by Network Flow Method, Proceedings of the International conference on Automatics and Informatics’14, M. Petrov Ed., October 1-3, 2014, ISSN 1313-1650, 2014, pp. I-29.
  28. Sgurev V., St. Drangajov - Optimal Control of Mobile Agents for Monitoring of Points on a Network, Journal on Information Technologies and Control, Sofia, 2014, Print ISSN: 1312-2622; Online ISSN: 2367-5357,DOI:10.2478/itc-2013-0006, pp. 2-6.
  29. Sgurev V. - Features of Disjunction and Conjunction in the Complex Propositional S-logic, Comptes rendus de l’Academie bulgare des sciences, Tome 67, №11, 2014, ISSN 1310-1331, 2014, pp. 1491-1502.
  30. Sgurev V., St. Drangajov - A Probabilistic approach to optimizing the path of monitoring the nodes of a network, Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp. 34-39.
  31. Dzambov V. - Solving of Nonlinear Differential Equations in the Environment of .Net Framework with X-MPIR, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, 2013, (to be published).
  32. Dzambov V. - High Precision Computing of Definite Integrals with .NET Framework C# and X-MPIR, Cybernetics and Information Technologies (CIT), Print ISSN 1311-9702; Online ISSN 1314-4081, DOI 10.2478/cait-2014-0012, vol. 14, №1, 2014, pp. 172-182.
  33. Dzambov V. - Finding the roots of non-linear equations with high definition using the .NET Framework C# and X-MPIR, Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp.11-17.
  34. Хаджийски М., К. Бошнаков, С. Койнов - Управление на натоварването на мелещ вентилатор, основаващо се на предсказване на оставащия му експлоатационен ресурс, XXII Международен симпозиум Управление на енергийни, индустриални и екологични системи, 8-9 май 2014, Банкя, 2014, ISSN 1313-2237, стр.89-94.
  35. Hadjiski M., K. Boshnakov, S. Koynov - Decision Making for Predictive Maintenance with Casa-Based Reasoning, Proceedings of the International conference on Automatics and Informatics’14, M. Petrov Ed., October 1-3, 2014, ISSN 1313-1650, 2014, pp. I-239  I-242.
  36. Hadjiski M., K. Boshnakov, S. Koynov - Optimization of Operational Impacts a Predicitve Maitenance on Cooper Converters, Proceedings of the International conference on Automatics and Informatics’14, M. Petrov Ed., October 1-3, 2014, ISSN 1313-1650, 2014, pp. I-243  I-246.
  37. Hadjiski M., N. Christova, K. Boshnakov, S. Koynov - Strategy Choice for Integrated Management of Pellet Manufacturing, Proceedings of the International conference on Automatics and Informatics’14, M. Petrov Ed., October 1-3, 2014, ISSN 1313-1650, 2014, pp. I-247  I-251.
  38. Hadjiski M., K. Boshnakov, S. Koynov - Control of milling fan load on the base of residual useful life prediction, Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp. 75-82.
  39. Koynov S., L. Doukovska - Building a Strategy for Predictive Maintenance in a Functioning SME, Journal Automatica & Informatics, Year XLVI, ISSN 0861-7562, №4, pp. 29-35, 2014 (in Bulgarian).
  40. Popchev I., M. Konstatinov, P. Petkov, V. Angelova - Norm-wise, mixed and component-wise condition numbers of the matrix equation , International Journal of Computational and Applied mathematics, vol. 13 (1), ISSN 1683-3511, 2014, pp. 18-30.
  41. Popchev I., V. Angelova - Residual bound of the matrix equations , Comptes rendus de l’Academie bulgare des sciences, Tome 67, №9, ISSN 1310-1331, 2014, pp. 1217-1222.
  42. Popchev I., V. Angelova - Improved residual bound of the matrix equation , Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp. 1-3.
  43. Popchev I., V. Angelova - Residual bound of the matrix equations , Proceedings of the Conference Big Data, Knowledge and Control Systems Engineering - BdKCSE 2014, Sofia, Bulgaria (to be published).
  44. Радева И. - Оценка на синергията на клъстери в икономиката, Икономическа мисъл, ISBN 0013-2993, 2/2014, стр. 100-116.
  45. Radeva I. - Synergy in clusters: Approaches to evaluation, Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp. 4-10.
  46. Savov S., I. Popchev - Improved Upper Matrix Bounds for the DALE solution, Comptes rendus de l’Academie bulgare des sciences, Tome 67, №4, ISSN 1310-1331, 2014, pp. 571-576.
  47. Savov S., I. Popchev - Solution Estimation for the Discrete-Time Parameter-Dependent Lyapunov Equation, Proceedings of the International Workshop on Advanced Control and Optimisation: Step Ahead - ACOSA, 8-10 May, 2014, Bankya, Bulgaria, ISSN 1314-4634, 2014, pp. 29-33.
  48. Savov S., I. Popchev - Performance Analysis of a Load-Frequency Power System Model, Proceedings of the Conference Big Data, Knowledge and Control Systems Engineering - BdKCSE 2014, Sofia, Bulgaria (to be published).
  49. Savov S. - Solution Bounds for Algebraic Equations in Control Theory, Prof. M. Drinov Academic Publishing. House, Sofia, 2014.
  50. Valkanov V., A. Stoyanova-Doycheva, E. Doychev, St. Stoyanov, I. Popchev, I. Radeva, AjTempura –FirstSoftwarePrototypeofC3AModel, Proceedings of the 7th IEEE International Conference Intelligent Systems - IS 2014, September 24–26, 2014, Warsaw, Poland, Volume 1: Mathematical Foundations, Theory, Analyses. Springer 2014, ISSN 2194-5357, ISBN 978-3-319-11312-8, pp. 427-438.
  51. Miteva D., K. Dimov, I. Nacheva, Y. Todorov, M. Doneva, P. Metodieva, Tsv. Tsvetkov - Modern Technological Approaches for Ensuring of Harmless and Quality Fruits, Bulgarian Journal of Agricultural Science, vol. 20, Issue 2, ISSN 1310-0351, 2014, pp. 17-19.
  52. Nacheva I., M. Doneva, Y. Todorov, P. Metodieva, D. Miteva, K. Dimov, Tsv. Tsvetkov - Innovative technologies for creation of probiotic foods, Bulgarian Journal of Agricultural Science, vol. 20, Issue 4, ISSN 1310-0351, 2014, pp. 830-833.
  53. Todorov Y., M. Terziyska - State-Space Fuzzy-Neural Network for Modeling of Nonlinear Dynamics, In Proceedings of International IEEE symposium Innovations in Intelligent Systems and Applications – INISTA 2014, Alberobello, Italy, ISBN 978-1-4799-3019-7, pp. 212-217.
  54. Todorov Y., M. Doneva, P. Metodieva, I. Nacheva - An Intelligent Approach to Formulate the Contents of Novel Functional Food, In Proceedings of International IEEE symposium Innovations in Intelligent Systems and Applications – INISTA 2014, Alberobello, Italy, ISBN 978-1-4799-3019-7, pp. 98-103.
  55. Terziyska M., Y. Todorov - Modeling of Chaotic time series by Interval Type-2 NEO-Fuzzy Neural Network, International Conference on Artificial Neural Networks – ICANN 2014, Hamburg, Germany, Springer Lecture Notes on Computer Science, vol. 8681, ISBN 978-3-319-11178-0, ISSN 0302-9743, 2014, pp. 643-650.
  56. Terziyska M., Y. Todorov - Fuzzy-neural predictive control using fast optimisation polices, International Journal of Intelligent Based Reasoning Systems, ISSN online 1755-0564, ISSN print 1755-0556, vol. 6, (IN PRESS).

Publications which are referred and indexed in the global system:

I. Published
  1. Atanassova V., S. Fidanova, I. Popchev, P. Chountas - Chapter 5: Generalized Nets, ACO Algorithms, and Genetic Algorithms, In: Monte Carlo Methods and Applications, Proceedings of the 8th IMACS Seminar on Monte Carlo Methods, Borovets, Bulgaria (Sabelfeld, K., I. Dimov, Eds.), De Gruyter, pp. 39-46, eBook ISBN 9783110293586, 2013.
  2. Atanassova V. - From fuzzy to intuitionistic fuzzy: Easy and lazy, Notes on Intuitionistic Fuzzy Sets, vol. 19, №3, ISSN 1310-4926, pp. 51–55, 2013.
  3. Boshnakov K., L. Doukovska, E. Mihailov, V. Petkov, S. Vassileva, S. Kojnov - Predictive Maintenance Model-Based Approach for Objects Exposed to Extremely High Temperatures, Proc. of the Signal Processing Symposium – SPS’13, Jachranka Village, Poland, CD, ISBN 978-1-4673-6319-8-13, 2013 IEEE, 2013.
  4. Doukovska L., S. Vassileva - Knowledge-based Mill Fan System Technical Condition Prognosis, Journal of the World Scientific and Engineering Academy and Society – WSEAS Transactions on Systems, Special Issue on Knowledge-based Modeling and Control of Мulti-factorial Processes, Print ISSN 1109-2777, E-ISSN 2224-2678, pp. 398-408, 2013.
  5. Georgieva P., I. Popchev - Fuzzy Logic Q-measure Model for Managing Financial Investments, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №5, pp. 651-658, 2013.
  6. Hadjiski M., L. Doukovska - CBR approach for Technical Diagnostics of Mill Fan System, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №1, pp. 93-100, 2013.
  7. Jotsov V., S. Koynov - Applications of Knowledge Discovery Methods in Education, International Journal „Information Technologies & Knowledge” vol. 7, №2, pp. 103-117, ISSN 1313-0455 (printed), ISSN 1313-048X (online), ITHEA®, 2013.
  8. Koprinkova-Hristova P., L. Doukovska, P. Kostov - Working Regimes Classification for Predictive Maintenance of Mill Fan Systems, Proc. of the International Symposium on INnovations in Intelligent SysTems and Applications – INISTA’13, CD, ISBN 978-1-4799-0661-1-13-2013 IEEE, 2013.
  9. Pencheva T., O. Roeva, V. Atanassova, M. Angelova - Generalized Net Model of the lac Operon, Issues in Intuitionistic Fuzzy Sets and Generalized Nets, EXIT Press, Warsaw, vol. 10, ISBN 978-83-61551-08-9, pp. 183-192, 2013.
  10. Popchev I., V. Angelova - Condition numbers and local perturbation bounds for the matrix equation , Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №1, pp. 21-28, 2013.
  11. Popchev I., V. Angelova - Residual bound of the matrix equation , Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №10, pp. 1379-1384, 2013.
  12. Radeva I. - Multi-Criteria Models for Cluster Design, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, vol. 13, №1, pp. 18-33, 2013.
  13. Savov S., I. Popchev - Experimental Study of Lyapunov Equation Solution Bounds for Power Systems Models, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, vol. 13, №1, pp. 3-12, 2013
  14. Savov S., I. Popchev - Non-Iterative Improvement of Trace Bounds for the Lyapunov Equation Solution, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №5, pp. 733-738, 2013.
  15. Sgurev V. - An Approach to Constructing a Complex Propositional Logic, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №11, pp. 1623- 1632, 2013.
  16. Sgurev V., L. Doukovska, S. Drangajov, V. Nikov - Network Flow Interpretation of Innovation Processes and Risks, Proc. of the Signal Processing Symposium – SPS’13, Jachranka Village, Poland, CD, ISBN 978-1-4673-6319-8-13- 2013 IEEE, 2013.
  17. Sgurev V., S. Drangajov, L. Doukovska, V. Nikov - Innovation Cycles Control Through Markov Decision Processes, Proc. of the International Symposium on Business Modeling and Software Design – BMSD’13, Noordwijkerhout, The Netherlands, ISBN 978-989-8565-56-3, pp. 286-291, 2013.
  18. Shahpazov G., L. Doukovska, K. Atanassov - Generalized Net Model of the Methodology for Analysis of the Creditworthiness and Evaluation of Credit Risk in SMEs Financing, Proc. of the International Symposium on Business Modeling and Software Design – BMSD’13, Noordwijkerhout, The Netherlands, ISBN 978-989-8565-56-3, pp. 292-297, 2013.
  19. Shahpazov G., L. Doukovska - Generalized net model of internal financial structural unit’s functionality with intuitionistic fuzzy estimations, Proc. of the 17th International Conference on Intuitionistic Fuzzy Sets, Notes on Intuitionistic Fuzzy Sets, vol. 19, №3, ISSN 1310-4926, pp. 111–117, 2013.
  20. Shahpazov V., V. Velev, L. Doukovska - Design and Application of Artificial Neural Networks for Predicting the Values of Indexes on the Bulgarian Stock Market, Proc. of the Signal Processing Symposium – SPS’13, Jachranka Village, Poland, CD, ISBN 978-1-4673-6319-8-13- 2013 IEEE, 2013.
  21. Shahpazov V., V. Velev, L. Doukovska - Forecasting Price Movement of Sofix Index on the Bulgarian Stock Exchange – Sofia Using an Artificial Neural Network Model, Proc. of the International Symposium on Business Modeling and Software Design – BMSD’13, Noordwijkerhout, The Netherlands, ISBN 978-989-8565-56-3, pp. 298-303, 2013.
  22. Staykov B., T. Atanasova, V. Monov, L. Doukovska - The ERP Systems in Modern Business and Corporate Management, Proc. of the International Symposium on Business Modeling and Software Design – BMSD’13, Noordwijkerhout, The Netherlands, ISBN 978-989-8565-56-3, pp. 281-285, 2013.
  23. Todorov Y., M. Terziyska, S. Ahmed, M. Petrov - Fuzzy-Neural Predictive Control using Levenberg-Marquardt optimization approach, In Proceedings of International IEEE conference on Innovations in Intelligent Systems and Applications, INISTA'2013, Albena, Bulgaria, pp. 1-5, ISBN 978-1-4799-0659-8, 2013.
  24. Todorov Y., M. Terziyska, M. Petrov - Recurrent Fuzzy-Neural Network with fast learning algorithm for predictive control, International Conference on Artificial Neural Networks, ICANN' 2013, Published in SPRINGER Lecture Notes on Computer Science, Eds. V. Mladenov et al., vol. 8131, pp. 459-466, ISBN 987-3-642-40727-7, 2013.
  25. Todorov Y., I. Nacheva, P. Metodieva, M. Doneva, T. Tsvetkov - Soft Computing Applications in Food Technology, Bulgarian Journal of Agricultural Science, vol. 19, Issue 3, pp. 503-507, ISSN 1310-0351, 2013.
II. In press
  1. Atanassova V. - The Generalized Nets Transitions Representability Problem: Extension with Boundary Cases and Minimal Solution, International Journal of Intelligent Systems, Art. ID: int21640, (to be published).
  2. Doneva M., I. Nacheva, P.Metodieva, Y. Todorov, D. Miteva - Application of cryobiotechnologies for development of lyophilized poly enzyme complexes, Bulgarian Journal of Agricultural Science, (to be published).
  3. Doukovska L., S. Vassileva - Intelligent Methods for Process Control and Diagnostics of Mill Fan System, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, 2013, (to be published).
  4. Dzambov V. - Solving of Nonlinear Differential Equations in the Environment of .Net Framework with X-MPIR, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, (to be published).
  5. Dzambov V. - High Precision Computing of Definite Integrals with .NET Framework C# and X-MPIR, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, (to be published).
  6. Hadjiski M., L. Doukovska - Intelligent Technical Fault Condition Diagnostics of Mill Fan, In: Novel Applications of Intelligent System, book chapter, J. Kacprzyk, M. Hadjiski, N. Kasabov, D. Filev, V. Jotsov (Eds.), Springer, Germany, (to be published).
  7. Hadjiski M., L. Doukovska, S. Vassileva - Intelligent Diagnostics of Mill Fan Technical Condition in Dust-Preparing Systems for 210 MW Power Units, International Journal of Computing and Informatics, Bratislava, Slovakia, ISSN 1335-9150, (to be published).
  8. Nacheva I., M. Doneva, Y. Todorov, P. Metodieva, D. Miteva, K. Dimov - Innovative technologies for creation of probiotic foods, Bulgarian Journal of Agricultural Science, (to be published).
  9. Miteva D., K. Dimov, I. Nacheva, Y. Todorov, M. Doneva, P. Metodieva - Prolongation of the storage and quality preservation of potato semi-finished foods by specific technological treatment, Bulgarian Journal of Agricultural Science, (to be published).
  10. Miteva D., K. Dimov, I. Nacheva, Y. Todorov, M. Doneva, P. Metodieva - Modern technological processing for ensuring the quality of fruits, Bulgarian Journal of Agricultural Science, (to be published).
  11. Shahpazov G., L. Doukovska, K. Atanassov - Generalized Net Model of Internal Structural Unit Functionality Focused on SME Financing, Proc. of the 12th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets, Warsaw, Poland, In: Modern Developments in Fuzzy Sets, Intuitionistic Fuzzy Sets, Generalized Nets and Related Topics, K. Atanassov, M. Baczynski, J. Drewniak, J. Kacprzyk, M. Krawczak, E. Szmidt, M. Wygralak, S. Zadrozny (Eds.), (to be published).
  12. Shahpazov G., L. Doukovska, K. Atanassov - Assessment Finance Approach from the Glase of a Generalized Net Model implemented in a Structural Unit of a Financial Institution, Proc. of the 12th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets, Warsaw, Poland, In: Modern Developments in Fuzzy Sets, Intuitionistic Fuzzy Sets, Generalized Nets and Related Topics, K. Atanassov, M. Baczynski, J. Drewniak, J. Kacprzyk, M. Krawczak, E. Szmidt, M. Wygralak, S. Zadrozny (Eds.), (to be published).
  13. Vassileva S., L. Doukovska, V. Sgurev - AI-Based Diagnostics for Fault Detection and Isolation in Process Equipment Service, International Journal of Computing and Informatics, Bratislava, Slovakia, ISSN 1335-9150, (to be published).

Publications which are included in journals iwth Impact Factor (Web of Science) or have Impact Rank SJR (SCOPUS):

I. Published
  1. Atanassova V., S. Fidanova, I. Popchev, P. Chountas - Chapter 5: Generalized Nets, ACO Algorithms, and Genetic Algorithms, In: Monte Carlo Methods and Applications, Proceedings of the 8th IMACS Seminar on Monte Carlo Methods, Borovets, Bulgaria (Sabelfeld, K., I. Dimov, Eds.), De Gruyter, pp. 39-46, eBook ISBN 9783110293586, 2013.
  2. Boshnakov K., L. Doukovska, E. Mihailov, V. Petkov, S. Vassileva, S. Kojnov - Predictive Maintenance Model-Based Approach for Objects Exposed to Extremely High Temperatures, Proc. of the Signal Processing Symposium – SPS’13, Jachranka Village, Poland, CD, ISBN 978-1-4673-6319-8-13- 2013 IEEE, 2013.
  3. Doukovska L., S. Vassileva - Knowledge-based Mill Fan System Technical Condition Prognosis, Journal of the World Scientific and Engineering Academy and Society – WSEAS Transactions on Systems, Special Issue on Knowledge-based Modeling and Control of Мulti-factorial Processes, Print ISSN 1109-2777, E-ISSN 2224-2678, pp. 398-408, 2013.
  4. Georgieva P., I. Popchev - Fuzzy Logic Q-measure Model for Managing Financial Investments, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №5, pp. 651-658, 2013.
  5. Hadjiski M., L. Doukovska - CBR approach for Technical Diagnostics of Mill Fan System, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №1, pp. 93-100, 2013.
  6. Koprinkova-Hristova P., L. Doukovska, P. Kostov - Working Regimes Classification for Predictive Maintenance of Mill Fan Systems, Proc. of the International Symposium on INnovations in Intelligent SysTems and Applications – INISTA’13, CD, ISBN 978-1-4799-0661-1-13-2013 IEEE, 2013.
  7. Popchev I., V. Angelova - Condition numbers and local perturbation bounds for the matrix equation , Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №1, pp. 21-28, 2013.
  8. Popchev I., V. Angelova - Residual bound of the matrix equation , Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №10, pp. 1379-1384, 2013.
  9. Radeva I. - Multi-Criteria Models for Cluster Design, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, vol. 13, №1, pp. 18-33, 2013.
  10. Savov S., I. Popchev - Experimental Study of Lyapunov Equation Solution Bounds for Power Systems Models, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, vol. 13, №1, pp. 3-12, 2013
  11. Savov S., I. Popchev - Non-Iterative Improvement of Trace Bounds for the Lyapunov Equation Solution, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №5, pp. 733-738, 2013.
  12. Sgurev V. - An Approach to Constructing a Complex Propositional Logic, Comptes rendus de l’Academie bulgare des Sciences, ISSN 1310-1331, vol. 66, №11, pp. 1623- 1632, 2013.
  13. Sgurev V., L. Doukovska, S. Drangajov, V. Nikov - Network Flow Interpretation of Innovation Processes and Risks, Proc. of the Signal Processing Symposium – SPS’13, Jachranka Village, Poland, CD, ISBN 978-1-4673-6319-8-13- 2013 IEEE, 2013.
  14. Todorov Y., M. Terziyska, S. Ahmed, M. Petrov - Fuzzy-Neural Predictive Control using Levenberg-Marquardt optimization approach, In Proceedings of International IEEE conference on Innovations in Intelligent Systems and Applications, INISTA'2013, Albena, Bulgaria, pp. 1-5, ISBN 978-1-4799-0659-8, 2013.
  15. Todorov Y., M. Terziyska, M. Petrov - Recurrent Fuzzy-Neural Network with fast learning algorithm for predictive control, International Conference on Artificial Neural Networks, ICANN' 2013, Published in SPRINGER Lecture Notes on Computer Science, Eds. V. Mladenov et al., vol. 8131, pp. 459-466, ISBN 987-3-642-40727-7, 2013.
  16. Todorov Y., I. Nacheva, P. Metodieva, M. Doneva, T. Tsvetkov - Soft Computing Applications in Food Technology, Bulgarian Journal of Agricultural Science, vol. 19, Issue 3, pp. 503-507, ISSN 1310-0351, 2013.
II. In press
  1. Atanassova V. - The Generalized Nets Transitions Representability Problem: Extension with Boundary Cases and Minimal Solution, International Journal of Intelligent Systems, Art. ID: int21640, (to be published).
  2. Doneva M., I. Nacheva, P. Metodieva, Y. Todorov, D. Miteva - Application of cryobiotechnologies for development of lyophilized poly enzyme complexes, Bulgarian Journal of Agricultural Science, (to be published).
  3. Doukovska L., S. Vassileva - Intelligent Methods for Process Control and Diagnostics of Mill Fan System, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, (to be published).
  4. Dzambov V. - Solving of Nonlinear Differential Equations in the Environment of .Net Framework with X-MPIR, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, (to be published).
  5. Dzambov V. - High Precision Computing of Definite Integrals with .NET Framework C# and X-MPIR, Cybernetics and Information Technologies (CIT), ISSN 1311-9702, (to be published).
  6. Hadjiski M., L. Doukovska - Intelligent Technical Fault Condition Diagnostics of Mill Fan, In: Novel Applications of Intelligent System, book chapter, J. Kacprzyk, M. Hadjiski, N. Kasabov, D. Filev, V. Jotsov (Eds.), Springer, Germany, (to be published).
  7. Hadjiski M., L. Doukovska, S. Vassileva - Intelligent Diagnostics of Mill Fan Technical Condition in Dust-Preparing Systems for 210 MW Power Units, International Journal of Computing and Informatics, Bratislava, Slovakia, ISSN 1335-9150, (to be published).
  8. Nacheva I., M. Doneva, Y. Todorov, P. Metodieva, D. Miteva, K. Dimov - Innovative technologies for creation of probiotic foods, Bulgarian Journal of Agricultural Science, (to be published).
  9. Miteva D., K. Dimov, I. Nacheva, Y. Todorov, M. Doneva, P. Metodieva - Prolongation of the storage and quality preservation of potato semi-finished foods by specific technological treatment, Bulgarian Journal of Agricultural Science, (to be published).
  10. Miteva D., K. Dimov, I. Nacheva, Y. Todorov, M. Doneva, P. Metodieva - Modern technological processing for ensuring the quality of fruits, Bulgarian Journal of Agricultural Science, (to be published).
  11. Vassileva S., L. Doukovska, V. Sgurev - AI-Based Diagnostics for Fault Detection and Isolation in Process Equipment Service, International Journal of Computing and Informatics, Bratislava, Slovakia, ISSN 1335-9150, (to be published).

    12. Publications which are not referred and indexed in the global system:

    I. Published
    1. Ahmed S., M. Petrov, A. Taneva, Y. Todorov - Nonlinear model predictive control of an evaporator system using fuzzy-neural observer, Proceedings of the International conference on Food Science, Engineering and Technologies'2013, University of Food Technologies-Plovdiv, Bulgaria, vol. LX, pp. 57-62, ISSN 1314-7102, 2013.
    2. Атанасова В. - Изследване на алгоритми за конструиране на обобщеномрежови модели, Автореферат за присъждане на ОС “Доктор”, ИИКТ – БАН, София, 2013.
    3. Вълканов В. - Контекстно ориентирано управление на електронни услуги, Автореферат за присъждане на ОС “Доктор”, ИИКТ – БАН, София, 2013.
    4. Георгиева П. - Изследване на модели на софт компютинг за управление в реално време, Автореферат за присъждане на ОС “Доктор”, ИИКТ – БАН, София, 2013.
    5. Кабакчиева Д. - Изследване на Data Mining модели за класификация, Автореферат за присъждане на ОС “Доктор”, ИИКТ – БАН, София, 2013.
    6. Койнов Ст., Л. Дуковска - Интегриран подход за предсказващо поддържане в МСП, 21-ви Международен симпозиум „Управление на топлоенергийни обекти и системи”, Банкя, България, ISSN 1313-2237, стр. 55-59, 2013 (in Bulgarian).
    7. Радева И. - Модели за вземане на решения при формиране на клъстерни структури, Автореферати на дисертации, Институт по информационни и комуникационни технологии – БАН, 1/2013, Е ISSN 1314-6351.
    8. Sgurev V., S. Drangajov - Optimal Circulation of Mobile Robots, 21-ви Международен симпозиум „Управление на топлоенергийни обекти и системи”, Банкя, България, ISSN 1313-2237, стр. 77-80, 2013.
    9. Terziyska M., Y. Todorov, M. Petrov - Predictive controller based on neuro-fuzzy model with multiple recurrent nodes, Proceedings of the International conference on Food Science, Engineering and Technologies'2013, University of Food Technologies-Plovdiv, Bulgaria, vol. LX, pp. 63-68, ISSN 1314-7102, 2013.
    10. Terziyska M., Y. Todorov, M. Petrov - Real-time Supervisory tuning of Predictive Controller, International Conference TechSys'2013, Plovdiv Bulgaria, Journal of Technical University-Sofia, branch Plovdiv, Bulgaria, “Fundamental Sciences and Applications”, vol. 19, pp. 155-160, ISSN 1310-8271, 2013.
    11. Todorov Y., M. Terziyska, M. Petrov - Levenberg-Marcquadt training approach for Recurrent Fuzzy-Neural Network, Proceedings of International Conference on Automatics and Informatics'2013, pp. I-139-I-141, ISSN 1313-1850, 2013.
    II. In press
    1. Радева И. - Оценка на синергията на клъстери в икономиката, Икономическа мисъл, ISSN 1313-2993.
    2. Радева И. - Оценка на синергия в икономически клъстери. Подходи и решения, Третата научно-практическа конференция с международно участие на НБУ на тема „Корпоративните финанси на формиращите се пазари – теория и практика” НБУ, София, 09 - 10 септември 2013, ISBN 978-954-535-679-7.

    Publications which are referred and indexed in the global system:

    1. Savov S., I. Popchev - Fixed Solution Bounds for One Class of Parameter Dependent Lyapunov Equations, Comptes Rendus de L’Academie Bulgar des Sciences, vol. 65, №10, 1427-1434, 2012, ISSN 1310-1331.
    2. Sgurev V., St. Drangajov - Network Flow Models for Real Time Control of Transportation Unloading Processes, Comptes Rendus de L’Academie Bulgar des Sciences, vol. 65, №10, 1435-1447, 2012, ISSN 1310-1331.
    3. Atanassova V. - Generalized Nets with Volumetric Tokens, Comptes rendus de l’Academie bulgare des Sciences, vol. 65, №11, 1489-1498, 2012, ISSN 1310-1331.
    4. Hadjiski M., L. Doukovska - Technical Diagnostics of Mill Fan System, Comptes rendus de l’Academie bulgare des Sciences, vol. 65, №12, 1731-1740, 2012, ISSN 1310-1331.
    5. Popchev I., P. Petkov, M. Konstantinov, V. Angelova - Perturbation bounds for the nonlinear matrix equation , Lecture Notes in Computer Science, Springer, vol. 7116, 155-162, 2012, ISBN 978-3-642-29842-4.
    6. Atanassova V., S. Fidanova, P. Chountas, K. Atanassov - A generalized net with an ACO-algorithm optimization component, Lecture Notes in Computer Science, (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Springer, vol. 7116, 190-197, 2012, ISBN 978-3-642-29842-4.
    7. Borissova D., I. Mustakerov, L. Doukovska - Predictive Maintenance Sensors Placement by Combinatorial Optimization, International Journal of Electronics and Telecommunications (JET), Versita, Warsaw, Poland, vol. 58, №2, 153-158, 2012, ISSN 0867-6747.
    8. Georgieva P., I. Popchev - Application of Q-measure in a real time fuzzy system for managing financial assets, International Journal of Soft computing, vol. 3, №4, 21-38, 2012, ISSN 2229-7003.
    9. Atanassova V., S. Fidanova, I. Popchev, P. Chountas - Generalized Nets, ACO Algorithms, and Genetic Algorithms, Chapter 5: In: Monte Carlo Methods and Applications, Series: De Gruyter Proceedings in Mathematics, 39-46, 2012, DOI 10.1515/9783110293586, ISBN 978-3-11-029358-6.
    10. Atanassova V. - On intuitionistic fuzzy approach to generalized net prognostics, In: New Developments in Fuzzy Sets, Intuitionistic Fuzzy Sets, Generalized Nets and Related Topics, Volume II: Applications, (K. Atanassov, M. Baczynski, J. Drewniak, J. Kacprzyk, M. Krawczak, E. Szmidt, M. Wygralak, S. Zadrozny, Eds.), SRI-PAS, Warsaw, 1-12, 2012, ISBN 9788389475411.
    11. Nikov V., P. Koprinkova-Hristova, L. Doukovska - Fuzzy Methods for Mill Fan Systems Technical Diagnostics, Proc. of the Federated Conference on Computer Science and Information Systems - FedCSIS’12, Wroclaw, Poland, 139-143, 2012, ISBN 978-83-60810-51-4.
    12. Parvathi R., V. Atanassova - Intuitionistic fuzzy statistical tools for filters in image processing, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 150-152, ISBN 978-1-4673-2276-8.
    13. Atanassova V. - The Minimal Solution of a Problem in Generalized Nets, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 159-163, 2012, ISBN 978-1-4673-2276-8.
    14. Sgurev V., V. Jotsov - Specifics of transitions in binary Markov logic, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 208-212, 2012, ISBN 978-1-4673-2276-8.
    15. Vassileva S., L. Doukovska, S. Mileva - AI-Based Prediction and Diagnostic on Bioethanol Production, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 270-274, 2012, ISBN 978-1-4673-2276-8.
    16. Hadjiski M., L. Doukovska, P. Koprinkova-Hristova - Intelligent Diagnostic on Mill Fan System, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 341-346, 2012, ISBN 978-1-4673-2276-8.
    17. Jotsov V., V. Sgurev - Applications of Puzzle methods for intrusion detection in ATMs, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 481-488, 2012, ISBN 978-1-4673-2276-8.
    18. Shahpazov G., L. Doukovska - Structuring of Growth Funds with the Purpose of SME’s Evolution under the JEREMIE Initiative, Proc. of the Second International Symposium on Business Modeling and Software Design - BMSD'12, Geneva, Switzerland, 159-164, 2012, ISBN 978-989-8565-26-6.
    19. Hadjiski M., L. Doukovska - Consistent Data and Decision Fusion of Heterogeneous Information Denoising in Complex Systems Diagnosis, Proc. of the First International Conference on Telecommunications and Remote Sensing - ICTRS'12, Sofia, Bulgaria, 163-169, 2012, ISBN 978-989-8565-28-0.
    20. Sgurev V., L. Doukovska, St. Drangajov - Operative Real Time Control of Specialized Auto Transportation of Agricultural Products from the Production Areas towards the Processing Plants, Proc. of the 1st IFAC Workshop on Dynamics and Control in Agriculture and Food - DYCAF’12, Plovdiv, Bulgaria, 7-11, 2012.
    21. Sgurev V., St. Drangajov - Methods for Real Time Traffic Control in Industrial Truck Haulage Systems, Proc. of the 13-th IFAC Symposium of Control in Transportation Systems - CTS’12, Sofia, Bulgaria, 225-230, 2012.
    22. Sgurev V., St. Drangajov, L. Doukovska - Real Time Man-Robot Control of a Group of Specializes Mobile Robots, Journal Problems of Engineering Cybernetics and robotics, vol. 65, 3-13, 2012, ISSN 0204-9848.
    23. Stoyanov S., E. Doychev, A. Stoyanova-Doycheva, V. Valkanova, V. Valkanov - Education Cluster Supporting eTesting and eLearning in Software Engineering, Proc. of the 2-nd International Conference on Web Technologies & Internet Applications - WebTech 2012, Bali, Indonesia, 23-28, 2012, ISSN 2251-2128.

    Publications which are included in journals iwth Impact Factor (Web of Science) or have Impact Rank SJR (SCOPUS):

    1. Savov S., I. Popchev - Fixed Solution Bounds for One Class of Parameter Dependent Lyapunov Equations, Comptes Rendus de L’Academie Bulgar des Sciences, vol. 65, №10, 1427-1434, 2012, ISSN 1310-1331.
    2. Sgurev V., St. Drangajov - Network Flow Models for Real Time Control of Transportation Unloading Processes, Comptes Rendus de L’Academie Bulgar des Sciences, vol. 65, №10, 1435-1447, 2012, ISSN 1310-1331.
    3. Atanassova V. - Generalized Nets with Volumetric Tokens, Comptes rendus de l’Academie bulgare des Sciences, vol. 65, №11, 1489-1498, 2012, ISSN 1310-1331.
    4. Hadjiski M., L. Doukovska - Technical Diagnostics of Mill Fan System, Comptes rendus de l’Academie bulgare des Sciences, vol. 65, №12, 1731-1740, 2012, ISSN 1310-1331.
    5. Popchev I., P. Petkov, M. Konstantinov, V. Angelova - Perturbation bounds for the nonlinear matrix equation , Lecture Notes in Computer Science, Springer, vol. 7116, 155-162, 2012, ISBN 978-3-642-29842-4.
    6. Atanassova V., S. Fidanova, P. Chountas, K. Atanassov - A generalized net with an ACO-algorithm optimization component, Lecture Notes in Computer Science, (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Springer, vol. 7116, 190-197, 2012, ISBN 978-3-642-29842-4.
    7. Borissova D., I. Mustakerov, L. Doukovska - Predictive Maintenance Sensors Placement by Combinatorial Optimization, International Journal of Electronics and Telecommunications (JET), Versita, Warsaw, Poland, vol. 58, №2, 153-158, 2012, ISSN 0867-6747.
    8. Georgieva P., I. Popchev - Application of Q-measure in a real time fuzzy system for managing financial assets, International Journal of Soft computing, vol. 3, №4, 21-38, 2012, ISSN 2229-7003.
    9. Atanassova V., S. Fidanova, I. Popchev, P. Chountas - Generalized Nets, ACO Algorithms, and Genetic Algorithms, Chapter 5: In: Monte Carlo Methods and Applications, Series: De Gruyter Proceedings in Mathematics, 39-46, 2012, DOI 10.1515/9783110293586, ISBN 978-3-11-029358-6.
    10. Atanassova V. - On intuitionistic fuzzy approach to generalized net prognostics, In: New Developments in Fuzzy Sets, Intuitionistic Fuzzy Sets, Generalized Nets and Related Topics, Volume II: Applications, (K. Atanassov, M. Baczynski, J. Drewniak, J. Kacprzyk, M. Krawczak, E. Szmidt, M. Wygralak, S. Zadrozny, Eds.), SRI-PAS, Warsaw, 1-12, 2012, ISBN 9788389475411.
    11. Nikov V., P. Koprinkova-Hristova, L. Doukovska - Fuzzy Methods for Mill Fan Systems Technical Diagnostics, Proc. of the Federated Conference on Computer Science and Information Systems - FedCSIS’12, Wroclaw, Poland, 139-143, 2012, ISBN 978-83-60810-51-4.
    12. Parvathi R., V. Atanassova - Intuitionistic fuzzy statistical tools for filters in image processing, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 150-152, ISBN 978-1-4673-2276-8.
    13. Atanassova V. - The Minimal Solution of a Problem in Generalized Nets, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 159-163, 2012, ISBN 978-1-4673-2276-8.
    14. Sgurev V., V. Jotsov - Specifics of transitions in binary Markov logic, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 208-212, 2012, ISBN 978-1-4673-2276-8.
    15. Vassileva S., L. Doukovska, S. Mileva - AI-Based Prediction and Diagnostic on Bioethanol Production, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 270-274, 2012, ISBN 978-1-4673-2276-8.
    16. Hadjiski M., L. Doukovska, P. Koprinkova-Hristova - Intelligent Diagnostic on Mill Fan System, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 341-346, 2012, ISBN 978-1-4673-2276-8.
    17. Jotsov V., V. Sgurev - Applications of Puzzle methods for intrusion detection in ATMs, Proc. of the 6th IEEE International Conference on Intelligent Systems - IS'12, Sofia, Bulgaria, vol. II, 481-488, 2012, ISBN 978-1-4673-2276-8.
    18. Shahpazov G., L. Doukovska - Structuring of Growth Funds with the Purpose of SME’s Evolution under the JEREMIE Initiative, Proc. of the Second International Symposium on Business Modeling and Software Design - BMSD'12, Geneva, Switzerland, 159-164, 2012, ISBN 978-989-8565-26-6.
    19. Hadjiski M., L. Doukovska - Consistent Data and Decision Fusion of Heterogeneous Information Denoising in Complex Systems Diagnosis, Proc. of the First International Conference on Telecommunications and Remote Sensing - ICTRS'12, Sofia, Bulgaria, 163-169, 2012, ISBN 978-989-8565-28-0.

    Publications which are not referred and indexed in the global system:

    1. Sgurev V., St. Drangajov - Technogenious Risks and Principles of Their Control, Proc. of the International Conference Automatics and Informatics - AI’12, Sofia, Bulgaria, 2012, PROCEEDINGS CD: ISSN 1313-1869.
    2. Stoyanov S., E. Doychev, V. Valkanova, G. Cholakov - Education Cluster for Intelligent Provision of eLearning Services, DBKDA 2012: The Fourth International Conference on Advances in Databases, Knowledge, and Data Applications, Reunion IARIA, 45-50, 2012, ISBN 978-1-61208-185-4.
    3. Вълканова В. - Математиката e забавна, сп. “Maтематика и информатика”, 45, №1, 42-46, 2012, ISSN 1310-2230.
    4. Маринова М., Г. Митева, В. Атанасова - Онлайн тестове в уики-среда с разширението Quiz, сп. „Образование и технологии“, кн. 3, стр. 60-61, 2012, ISSN 1314-1791.
    5. Гишин Ст., Х. Фрай, В. Сгурев, Н. Айзенрайх, М. Хаджийски, Х. Кан, Д. Стоянов, Л. Дуковска, И. Миленов, Х. Хаджиев, В. Господинов - Енергийно ефективни и екотехнологии за производство, съхранение, реализация и мониторинг на зелена енергия, 20-ти Международен симпозиум „Управление на топлоенергийни обекти и системи”, Банкя, България, 9-12, 2012, ISSN 1313-2237. – Energy Efficient and Eco Technology Manufacturing, Storage and Monitoring Implementation of Green Energy (in Bulgarian)
    6. Дуковска Л., Ст. Койнов - Пример за хибриден интелигентен подход приложим в анализа на енергийна система, 20-ти Международен симпозиум „Управление на топлоенергийни обекти и системи”, Банкя, България, 103-106, 2012, ISSN 1313-2237. – A Hybrid Approach for Power System Analysis (in Bulgarian)
    7. Койнов Ст., Л. Дуковска - Пример за приложение на интелигентни техники при изготвяне на прогноза за натоварването на енергийна система, 20-ти Международен симпозиум „Управление на топлоенергийни обекти и системи”, Банкя, България, 107-110, 2012, ISSN 1313-2237. – Intelligent Techniques for Load Pattern Prediction in the Power System (in Bulgarian)
    8. Радева И. - Приложение на теорията на размитите множества в задачи за избор при икономическа клъстеризация, „Корпоративните финанси на формиращи се пазари. Изледвания и практики”, Нов Български Университет - София, 186-217, 2012, ISBN 978-954-535-739-8.
    9. Вълканова В. - Да направим математиката забавна, Научно-практическа конференция „Иновационни практики в образованието“, Благоевград, България, 273-278, 2012, ISBN 978-954-680-780-9.

    Publications which are referred and indexed in the global system:

    1. Stoyanov S., A. Stoyanova-Doycheva, I. Popchev, M. Sandalski - ReLE - A Refactoring Supporting Tool, Comptes rendus de l'Academie bulgare des Sciences, vol. 64, № 7, 2011, 1017-1026, ISSN 1310-1331.

    2. Savov S., I. Popchev - New Exact Conditions for Positivity of Quadratic Uncertain Polynomials, Comptes rendus de l'Academie bulgare des Sciences, vol. 64, № 9, 1225-1232, 2011, ISSN 1310-1331.

    3. Popchev I., Konstantinov, M., P. Petkov, V. Angelova - Condition numbers of the nonlinear matrix equation, Comptes rendus de l'Academie bulgare des Sciences, vol. 64, №12, 1679-1688, 2011, ISSN 1310-1331.

    4. Konstantinov M., P. Petkov, I. Popchev, V. Angelova - Sensitivity of the matrix equation, International Journal of Applied and Computational Mathematics, vol. 10, № 3, 409-427, 2011, ISSN 1683-3511.

    5. Atanassova V., K. Atanassov - Ant Colony Optimization Approach to Tokens' Movement within Generalized Nets, Lecture Notes in Computer Science, Springer, vol. 6046, 240-247, 2011, ISBN 978-3-642-18465-9.

    6. Koprinkova-Hristova P., M. Hadjiski, L. Doukovska, S. Beloreshki - Recurrent Neural Networks for Predictive Maintenance of Mill Fan Systems, International Journal of Electronics and Telecommunications (JET), Versita, Warsaw, Poland, vol. 57, №3, 401-406, 2011, ISSN 0867-6747.

    7. Boshnakov K., L. Doukovska, D. Borissova, St. Kojnov - Approaches for Diagnostic and Predictive Maintenance, SPS in Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments, Proceedings of SPIE, Bellingham, WA, USA, vol. 8008, Article CID Number 80081Z, 2011, doi:10.1117/12.905182, ISSN 0277-786X, ISBN 9780819472358.

    8. Balabanov T., Koprinkova-Hristova P., L. Doukovska, M. Hadjiski, S. Beloreshki - Neural Network Model of Mill-Fan System Elements Vibration for Predictive Maintenance, Proc. of the International Symposium on Innovations in Intelligent SysTems and Applications, INISTA’11, 2011, Istanbul, Turkey, 410-414, 2011, ISBN 978-1-61284-920-1.

    9. Doukovska L. - Application of Mathematical Transform in Detection Algorithms, Proc. of the First International Symposium on Business Modelling and Software Design, BMSD'11, 2011, Sofia, Bulgaria, 161-167, 2011, ISBN 978-989-8425-68-3.

    10. Popchev I., V. Angelova - On the Sensitivity of the Matrix Equations, Cybernetics and Information Technologies, vol. 10, № 4, 36-61, 2010, ISSN 1311-9702.

    11. Doukovska L. - Alternative Approaches for Target Velocity Estimation using the Hough Transform in MIMO Radar Systems, Cybernetics and Information Technologies, vol. 11, №1, 45-63, 2011, ISSN 1311-9702.

    12. Mintchev K. - Supply Chain Management in Case of Batch Chemical Manufacturing, Optimal Distribution of Capacities, Concept and Software Realization, Cybernetics and Information Technologies, vol. 11, №1, 79-96, 2011, ISSN 1311-9702.

    13. Dzhambov V., S. Drangajov - Computing of Special Functions with Arbitrary Precision in the Environment of .NET Framework, Cybernetics and Information Technologies, vol. 11, №2, 32-45, 2011, ISSN 1311-9702.

    14. Sandalski, M., A. Stoyanova-Doycheva, I. Popchev, S. Stoyanov - Development of a Refactoring Learning Environment, Cybernetics and Information Technologies, vol. 11, № 2, 46-64, 2011, ISSN 1311-9702.

    Publications which are not referred and indexed in the global system:



    1. Хаджийски М., К. Бошнаков, В. Петков, Е. Михайлов, Г. Ружеков, М. Божкова, С. Койнов - Обучение по диагностика на топлинни обекти чрез комбиниране на математично моделиране и термография, Списание „Автоматика и информатика”, Год. XLV, Бр. 1, 72-74, 2011, ISSN 0861-7562 .

    2. Койнов С. - Мрежови системи за управление, Списание “Автоматика и информатика”, Год. XLV, Бр. 2, 21-25, 2011, ISSN 0861-7562.

    3. Hristov N., N.Tontchev, S.Koynov - Optimal Decisions, Improving the Quality of the Fettled Surface for Apriori Given Thickness of the Built-up by Welding Layer, Journal of the Technical University – Sofia, Plovdiv Branch, Bulgaria, Fundamental Sciences and Applications, vol. 16, Book 2, 2011, Based on the Conference with International Participation “Engineering, Technologies and Systems TechSys 2011”, Plovdiv, Bulgaria, 191-194, 2011, ISSN 1310-8271.

    4. Радева И. - Вземане на решения за избор на МСП при интеграция върху зададена технологична мрежа, Доклади от международна конференция Автоматика и информатика’11, 03-07.10.2011, София, с. B, 239-242, 2011, ISSN 1313-1869.

    5. Doukovska L., P. Koprinkova-Hristova, S. Beloreshki - Analysis of Mill Fan System for Predictive Maintenance, Proc. of the International Conference Automatics and Informatics, 3-7 October 2011, Sofia, Bulgaria, 331-335, 2011, ISSN 1313-1869.

    6. Койнов Ст., Л. Дуковска - Диагностика на мелещи вентилатори, 19-ти Международен симпозиум „Управление на топлоенергийни обекти и системи”, 10-11.11.2011 г., Банкя, България, 21-24, 2011, ISSN 1313-2237.

    7. Koprinkova-Hristova P., L. Doukovska, S. Beloreshki - Fuzzy classifier of mill-fan system working regimes, 19-ти Международен симпозиум „Управление на топлоенергийни обекти и системи”, 10-11.11.2011 г., Банкя, България, 25-28, 2011, ISSN 1313-2237.

    8. Борисова Д., И. Мустакеров, Л. Дуковска - Оптимални стратегии при вземане на решения в условията на неопределеност за целите на диагностика на инженерни системи, 19-ти Международен симпозиум „Управление на топлоенергийни обекти и системи”, 10-11.11.2011 г., Банкя, България, 29-32, 2011, ISSN 1313-2237.

    9. Konstantinov M., P. Petkov, G. Pelova, V. Angelova - Perturbation analysis of differential and difference matrix quadratic equations: A survey, Proc. of the Bulgarian-Turkish-Ukrainian Scientific Conf. Mathematical analysis, differential equations and their applications, Sunny Beach, Sept. 15-20, 2010, Editors A. Andreev, L. Karandzulov, Academic Publishing House “Prof. Marin Drinov”, 101-110, 2011, ISBN 978-954-322454-8.

    10. Стоянов С., И. Попчев, М. Сандалски, Г. Чолаков - Интелигентна среда за електронно обучение, Сборник доклади на Международна конференция „Взаимодействието теория – практика: Ключови проблеми и решения“, БСУ, Бургас, 24-25 юни 2011, Том 3, 251-258, ISBN 978-954-9370-80-5.

    11. Атанасова В., Д. Орозова - Проектно-базирано обучение по бази от данни в Wiki среда, Сборник доклади на Международна конференция „Взаимодействието теория – практика: Ключови проблеми и решения“, БСУ, Бургас, 24-25 юни 2011. Том 3, 279-286, 2011, ISBN 978-954-9370-80-5.

    12. Вълканова В., М. Сандалски, И. Попчев, С. Стоянов - Образователен портал за подготовка на ученици за зрелостни изпити, Сборник доклади на Международна конференция „Взаимодействието теория – практика: Ключови проблеми и решения“, БСУ, Бургас, 24-25 юни 2011, Том 3, 287-294, ISBN 978-954-9370-80-5.

    13. Радева И. - Подход за избор на МСП при хоризонтална интеграция на клъстерни структури в условия на неопределеност, Сборник доклади на конференция с международно участие „Корпоративните финанси на формиращите пазари”, Нов Български университет, София, 49-72, 2011, ISBN 978-954-535-679-7.

    14. Стоянов С., М. Сандалски, И. Попчев, Г. Чолаков, Е. Дойчев - Персонализирана и проактивна доставка на електронни услуги в образователния портал на DeLC, Сборник доклади на IV-та национална конференция „Образованието в информационното общество“, Пловдив, 26-27 май 2011, 119-128, ISSN 1314-0752.

    Logical Methods in Intelligent Systems


    1. Sgurev V., M.Hadjiski, V.Jotsov (2008). Network Flow Interpretation of Logical Structures in Decision Support Systems, Proc. 4th International IEEE Conference on Intelligent Systems, Yager R., Sgurev V and Jotsov V. (Eds.), Vol. II, Varna, Bulgaria, September 6-8, pp. 8.19-8.22.

    2. Sgurev, V., S.Kojnov (2008). Non-Linear Network-Flow Model of Lukasiewicz’s Multivalue Logic, International Book Series, Information Science & Computing, Book 1 – Algorithms and Mathematical Foundations of the Artificial Intelligence, Int. Conf. “Knowledge-Dialogue-Solution” KDS 2008, I-st Part: June 23 – July 03, 2008, Varna, Bulgaria, pp. 9-13.

    3. Jotsov, V., V.Sgurev (2008). Applications in Intelligent Systems of Knowledge Discovery Methods Based on Human-Machine Interaction, International Journal of Intelligent Systems. Vol 23, no. 5, May 2008, pp. 588-606 (printed in May, IMPACT factor 0.45).

    4. Jotsov V. (2008). Novel Intrusion Prevention and Detection Systems, Proc. 4th International IEEE Conference on Intelligent Systems, Yager R., Sgurev V. and Jotsov V. (Eds.), Vol. II, Varna, Bulgaria, September 6-8, 2008, pp. 14.20-14.27.

    5. Jotsov V. (2007). Semantic Conflict Resolution Using Ontologies, Proc. 2nd Intl. Conference on System Analysis and Information Technologies, SAIT 2007, RAS, Obninsk, September 11-14, 2007, vol. 1, pp. 83-88.

    6. Intelligent Systems: Methodology, Models, and Applications in Emerging Technologies. Special issue of Journal of Advanced Computational Intelligence and Intelligent Informatics (Honorary Editor L. A. Zadeh, Editors T. Fukuda and K. Hirota, Guest Editors V. Sgurev, V. Jotsov, and M. Hadjiski), Volume 9, No. 1, Tokyo, January 2005, 90 pp.

    7. Kojnov S., V.Jotsov, V.Sgurev (2005). Defeasible Inference in Intelligent Agents of BDI Type, Problems of Engineering Cybernetics and Robotics, 55, 90-102.

    8. Jotsov V., V.Sgurev (2004). Human-centered methods for applications of fuzzy probabilities in intelligent systems, Proc. 2nd Int. IEEE Conference ‘Intelligent Systems’ (R. Yager, V.Sgurev, Eds.), Varna, Bulgaria, June 22-24, V. I, pp. 122-129.

    9. Kojnov S., V.Sgurev, V.Jotsov (2004). The design process of intelligent agents as parallel elaboration, Proc. 2nd Int. Conference ‘Intelligent Systems’ (R. Yager, V. Sgurev, Eds.), Varna, Bulgaria, June 22-24, V. 1, pp. 267-272.

    Intelligent Systems


    1. Advantages, Problems, and Trends in Contemporary Intelligent Systems. Special Issue of International Journal of Intelligent Systems (Editor R. Yager, Guest Editors M. Hadjiski, V. Sgurev, and V. Jotsov), Wiley Press, NY, vol 23, no. 5, pp. 517-519, 2008 (printed in May, IMPACT factor 0.45).

    2. Filipov V., N.Christova (2008). A Solution for Integrated Manufacturing Operation Management, Proceedings of CIMCA’2008, Published by IEEE, December, 9-12, 2008, Vienna, Austria.

    3. Christova N., V.Tasseva, D.Peneva, K.Atanassov (2006). Generalized Nets as a Tool for Modelling and Simulation of Open and Hybrid Systems, Proc. Of the International Mediterranean Modelling Multiconference I3M2006 (Edited by A. Bruzzone, A. Guasch, M. A. Piera, J. Rozenblit), October, 4-6, 2006, Barcelona, Spain, 245-250.

    4. Intelligent Systems: Methodology, Models, and Applications in Emerging Technologies. Special issue of Journal of Advanced Computational Intelligence and Intelligent Informatics (Honorary Editor L.A.Zadeh, Editors T.Fukuda and K.Hirota, Guest Editors V.Sgurev, V. Jotsov, M.Hadjiski), Volume 9, No. 1, Tokyo, January 2005, 90 pp.

    5. Vachkov G., N.Christova (2004). Hybrid Learning Scheme for Complex Process Identification, Proc. of EUNITE’2004, Aachen, Germany.

    6. Sgurev V., V.Jotsov, M.Hadjiski (2005). Intelligent Systems: Methodology, Models and Ap-plication in Energy Technologies, Journal of Advanced Computational Intelligence and In-telligent Informatics, 9/1, 3-4.


    Ontologies, Dynamic Ontologies


    1. Hadjiski M., R.Kaltenborn (2008). The Meaning and Sources of Dynamics in Domain Ontologies’ in “Ontologies-Philosophical and Technological Problems” (M.Hadjiski, V.Petrov eds.), Marin Drinov, Sofia, 2008, pp 74-86.

    2. Hadjiski M., V.Marchev, V.Vasilev (2008). Quality Analysis of Ontologies in “Ontologies-Philosophical and Technological Problems” (M.Hadjiski, V.Petrov eds.), Marin Drinov, Sofia, 2008, pp 87-94.

    3. Jotsov V. (2008). Dynamic Ontologies in Information Security Systems, J. Information Theory and Applications 15 (4) (2008), pp. 319-329.

    4. Jotsov V. (2007). Information security systems using dynamic ontologies, IJ ITA, vol. 15, 2007.

    5. Йоцов В., В.Сгурев, Р.Юсупов (2007). Онтологии для разрешения семантических конфликтов, Тр. СПИИРАН, С.-Петербург.

    6. Sgurev V., S.Kojnov, (2006). Some Problems of Development for Logical and Ontological Structures, Proceedings of International Workshop “Distributed Computer and Communication Networks DCCN 2006” (V.Vishnevsky, Hr.Daskalova, Eds.), October 30-November 2, 2006, Moscow, 137-148.


    Multiagent Systems, Softsensing


    1. Hadjiski M., V.Sgurev,V.Boishina (2008). Adaptation of Fuzzy Ontology for Cascade Multi-Agent System, 4td Int.IEEE Conference “Intelligent Systems”,Varna, pp. 6-59 – 6-64.

    2. Hadjiski M., V.Boishina (2008). Functions Selection and Distribution in Hybrid Computational-Agent-Ontology Control System Ontologies’in “Ontologies-Philosophical and Technological Problems” (M.Hadjiski, V.Petrov eds.), Marin Drinov, Sofia, 2008, pp 95-111.

    3. Jotsov V., S.Kojnov, V.Sgurev (2005). Configuring multiagent systems for softsensing processing in industrial and other environments, Proceedings of International Work-shop “Distributed Computer and Communication Networks DCCN 2005” (V. Vishnevsky, Hr.Daskalova, Eds.), Sofia, Bulgaria, April 23-29 2005, 139-152.

    4. Sgurev V., S.Kojnov, V.Jotsov (2005). Fast Preprocessing Methods and Their Applications in Multi-Agent Systems, Proceedings of International Workshop “Distributed Computer and Communication Networks DCCN 2005” (V. Vishnevsky, Hr.Daskalova, Eds.), Sofia, Bulgaria, April 23-29 2005, 51-68.

    5. Hadjiski M., K.Boshnakov, N.Christova, A.Terziev (2005). Multi Agent Simulation in Inference Evalution of Steam Boiler Emission, Proc. of the 19th European Conference on Modelling and Simulation ECMS 2005, (Y. Merkuriev, R. Zobel, E. Kerckhoffs, Eds.), Riga, Latvia, June 1 – 4, pp. 552-557.

    6. Hadjiski M., V.Totev, R.Yussupov (2005). Softsensing Based Flame Position Estimation in Steam Boiler Combustion Chamber, Proc. of the Int. Workshop “Distributed Computer and Communication Networks DCCN 2005”, (V.Vishnevsky, Hr.Daskalova, Eds.), Sofia, April 23–29, pp. 243-254.

    7. Hadjiski M., K.Boshnakov, N.Christova (2005). Simulation – Based Predictive Emission Monitoring System, Proc. of the 19th European Conference on Modelling and Simulation ECMS 2005, (Y. Merkuriev, R. Zobel, E. Kerckhoffs, Eds.), Riga, Latvia, June 1 – 4, pp.697-702.


    Intelligent Control, Diagnostics, Monitoring


    1. Hadjiski M., V. Sgurev, V. Boishina (2007). HVAC Control via Hybrid Intelligent Systems, Cybernetics and Information Technologies, 2007, No 1, pp. 77-94.

    2. Christova N., G.Vachkov (2005). Fault Measurements Diagnosis by Using Fuzzy Relational Matrix, Proc. of the IEEE International Conference on Mechatronic & Automation ICMA’2005, 2005 IEEE Catalog #: 05EX1044C ISBN: 0-7803-9045-8, Niagara Falls, Ontario, Canada, July 29 – August 1, 639.pdf.

    3. Hadjiski M., K.Boshnakov, N.Christova (2005). Simulation – Based Predictive Emission Monitoring System, Proc. of the 19th European Conference on Modelling and Simulation ECMS 2005, (Y. Merkuriev, R. Zobel, E. Kerckhoffs, Eds.), Riga, Latvia, June 1 – 4, pp.697-702.

    4. Christova N., G.Vachkov (2004). Intelligent Neural-Network-Based Approach for Fault Measurements Diagnosis and Data Reconciliation in Complex Systems, Proc. of MED’2004, Kushadasi, Turkey.

    5. Hadjiski M., V. Sgurev, V. Boishina (2006). Intelligent Agent Based Non–Square Plants Control, Proc. of the 3rd IEEE Conference on Intelligent Systems IS’2006, 4-6 September 2006, Harrow Campus, University of Westminster, London, 412-419.

    6. Hadjiski M., V. Sgurev, V. Boishina (2006). Multi Agent Intelligent Control of Centralized HVAC Systems, Proceedings of the IFAC Workshop on Energy Saving Control in Plants and Buildings, 3-5 October 2006, Bansko, Bulgaria, 195-200.

    7. Hadjiski M., K.Boshnakov, M.Nikolov (2007). Coordinated Boiler-Turbine Control System, ETAI 2007, September 19-21, Ohrid, Republic of Macedonia, available on CD.

    8. Galibova M., M.Hadjiski (2002). Impact of NNs Accuracy on FB/FF pH Neutralization Control System Performance, IEEE International Symposium on "Intelligent Systems IS'02", Vol.3, Varna, Bulgaria, 2002, pp. 36-41.


    Analysis of systems under uncertainty and risk


    1. Konstantinov M., P. Petkov, I. Popchev, V. Angelova: Perturbation bounds for the matrix equation. - Comptes rendues de l’Academie bulgare des Sciences, Mathematiques, Mathematiques appliques, vol. 61, No 9, pp. 1111-1120, 2008.

    2. Konstantinov M., P. Petkov, I. Popchev, V. Angelova: On the sensitivity of the matrix equation XA - AX = X2. Cybernerics and Information Technologies, vol. 2, pp. 3-11, 2008.

    3. Savov, S., I.Popchev. New upper bounds for the CALE: A singular decomposition approach. - International Journal of Control and Automation Systems, vol. 6, No 2, pp.288-294, 2008, ISSN: 1598-6446.

    4. Savov, Sv., I. Popchev. New generalized upper trace bound for the solution of the Lyapunov equation. - Int. J. Pure and Appl. Math., vol. 49, No. 3, 2008, pp. 381-389.

    5. Savov, S., I.Popchev. On the degree of polynomial in the uncertainty valid Lyapunov functions for polytopic systems. - Compt. Rend. Acad. Bulg. Sci., vol. 61, No 10, pp.1335-1338, 2008, ISSN: 1310-1331.

    6. Popchev, I., I. Radeva, A Decision Support Method for Investment Preference Evaluation, - “Cybernetics and Information Technologies”, vol. 1, 2006, p. 3–16.

    7. Angelova, V., M. Konstantinov. P. Petkov, I. Popchev: Perturbation analysis for the complex matrix equation . In: Proc. 16th IFAC World Congress Praha 2005, paper 02645, Mo-A01-TP/11.

    8. Savov S., I. Popchev. The continuous algebraic Lyapunov’s equation. Lower and upper matrix bounds. - Compt. Rend. Acad. Bulg. Sci., 58, No 9, 2005, 1039-1042.

    9. Savov S., I. Popchev. Discrete algebraic Lyapunov’s equation. Lower and upper matrix bounds. - Compt. Rend. Acad. Bulg. Sci., 58, No 10, 2005, 1159-1162.

    10. Popchev I., I. Radeva. An Investment Preference Under Incomplete Data. - In: Proceedings DECOM-TT 2004, Automatic Systems for Bulding the Infrastructure in Developing Countries, Regional and Global Aspects (Bansko, Bulgaria October 3-5, 2004), 2004, 243-248.

    11. Savov S., I. Popchev. New Upper Estimates for the Solution of the Continuous Algebraic Lyapunov Equation. - IEEE Transactions on Automatic Control, vol.49, No 10, October, 2004, 1841-1842.

    12. Savov S., I. Popchev. Stability Analysis of Uncertain Matrices via Parametrised Interval System of Equations. - Compt.Rend.Acad.Bulg.Sci., 57, No 6, 2004, 67-70.

    13. Savov S., I. Popchev. On the Stability Analysis on Uncertain Systems via Parameter Dependent Lyapunov Function. - Cybernerics and Information Technologies, vol.4, No 1, 2004, 35-42.

    14. Konstantinov, M., V. Angelova, P. Petkov, D. Gu, V. Tsachouridis. Perturbation bounds for coupled matrix Riccati equations. - Lin. Alg. Appl., 359 (2003), 197-218.

    15. Angelova, V., Matrix calculus in control theory. Expansion and estimation for the matrix power (A+E)-k. - Comptes rendues de l'Academie bulgare des sciences, Technique, Theorie des systemes, 56, No 8, 2003, 35-38.

    16. Angelova, V., Perturbation analysis for the complex linear matrix equation . - Comptes rendues de l'Academie bulgare des sciences, Technique, Theorie des systemes, 56, No 12, 2003, 47-52.

    17. Angelova, V., Perturbation analysis for the matrix equation . In: Ann. Inst. Arch. Genie Civil Geod., 41 (2000-2001),2003, fasc. II Math., 33-41.

    18. Konstantinov, M., V. Angelova, P. Petkov, I. Popchev: Comparison of perturbation bounds for the matrix equation . In: Ann. Inst. Arch. Genie Civil Geod., 41 (2000-2001),2003, fasc. II Math., 75-82.

    19. Savov S. G. and I. Popchev. On the stability problem for a class of uncertain matrices. - Compt. Rend. Acad. Bilg. Sci, 54, No 5, 2003.

    20. Savov S. G. and I. Popchev. Robust stability analysis of continuous-time systems via generalized uncertain Lyapunov's matrices. - Compt. Rend. Acad. Bilg. Sci, 56, No 2, 2003, pp. 55-58.

    21. Savov S. G. and I. Popchev. Unrestricted parameter-dependent Lyapunov's function for robust stability analysis. - Information Technologies and Control, No 1, 2003, pp. 32-38.

    22. Konstantinov, M., V. Angelova, P. Petkov, D. Gu, V. Tsachouridis: Perturbation analysis of coupled matrix Riccati equations. In: Proc. 15 IFAC World Congr., Barcelona 2002, paper 572, T-Tu-E15.

    23. Savov S. G. and I. Popchev. Robust stability of uncertain discrete-time state-space models. - Compt. Rend. Acad. Bulg. Sci, 55, No 6, 2002, pp. 35-38.


    Decision making under uncertainty in a fuzzy environment


    1. Peneva, V., I.Popchev. Fuzzy criteria importance with weighting functions. -Compt. Rend. Acad. Bulg. Sci., 61 (3), 2008, 293-300.

    2. Peneva, V., I.Popchev. Fuzzy criteria importance depending on the membership degrees of fuzzy relations. - Compt. Rend. Acad. Bulg. Sci., 61 (5), 2008, 579-584.

    3. Peneva, V., I.Popchev. Multicriteria decision making based on fuzzy relations. - Cybernetics and Information Technologies 8 (4), 2008, pp. 3-12, ISSN: 1311-9702.

    4. Popchev I., P. Georgieva. A fuzzy approach to solving multicriteria investment problems. In: M. Iskander (Edr), Innovative Techniques in Instruction Technology, E-learning, E-assessment and Education, Springer Science+Business Media B.V., pp. 427-431, 2008,ISBN: 978-1-4020-8738-7.

    5. Peneva, V., I.Popchev. Aggregation of fuzzy relations with fuzzy weighted coefficients. - Advanced Studies in Contemporary Mathematics, 15 (1), 2007, 121-132.

    6. Peneva, V., I.Popchev. Aggregation of fuzzy relations using weighting function. - Compt. Rend. Acad. Bulg. Sci., 60 (10), 2007, 1047-1052.

    7. Peneva, V., I.Popchev. Aggregation of fuzzy relations to multicriteria decision making. - Fuzzy Optimization and Decision Making, 6 (4), Dec. 2007, pp. 351-365.

    8. Popchev I., I. Radeva, Multi-Criteria Scheme for MAP-Cluster Identification. - Problems of Engineering Cybernetics and Robotics, vol. 58, pp. 3-12, 2007 ISSN: 0204-9848.

    9. Peneva V., I. Popchev. Models of decision making support by multicriteria problems in fuzzy environment. - Advanced Studies in Contemporary Mathematics 12 (2), 2006, 291-308.

    10. Peneva V., I. Popchev. Aggregation of fuzzy preference relations by composition. - Compt. Rend. Acad. Bulg. Sci., 59, No 4, 2006, 373-380.

    11. Peneva V., I. Popchev. Weighted transformation in aggregation operators uniting fuzzy relations. - Advanced Studies in Contemporary a Mathematics 10 (1), 2005, 25-44.

    12. Peneva V., I. Popchev. Aggregation of fuzzy preference relations with different importance. - Compt. Rend. Acad. Bulg. Sci., 58, No 5, 2005, 499-506.

    13. Peneva V., I. Popchev. Transformations by parameterized t-norms preserving the properties of fuzzy relations. – Compt.Rend.Acad.Bulg.Sci., 57, No 10, 2004, 9-18.

    14. Peneva V., I. Popchev. Fuzzy Decisions in Soft Computing. - In: Proceedings 2004 2-nd International IEEE Conference "Intelligent Systems" (Varna, Bulgaria, June 22-24, 2004), vol. II, 2004, 606-609.

    15. Peneva V., I. Popchev. Properties of fuzzy relations obtained by aggregation operators. - Compt. Rend. Acad. Bulg. Sci., 56, No 1, 2003, 9-16.

    16. Peneva V., I. Popchev. Weighted aggregation of fuzzy relations. - Compt. Rend. Acad. Bulg. Sci., 56, No 10, 2003, 29-35.

    17. Peneva V., I. Popchev. Properties of the aggregation operators related with fuzzy relations. - Fuzzy Sets and Systems, 139, No 3, 2003, 615-633.

    18. Peneva V., I. Popchev. Fuzzy multicriteria decision making. - Cybernetics and Information Technologies, Bulgarian Academy of Sciences, 2, No 1, 2002, 16-26.

    19. Peneva V., I. Popchev, Sensitivity of fuzzy logic operators. - Compt. Rend. Acad. Bulg. Sci., 55, No 3, 2002, 45-50.

    20. Peneva V., I. Popchev. Aggregation of fuzzy numbers in a decision making situation. - Cybernetics and Systems, 32, No 8, 2001, 821-835.

    21. Peneva V., I.Popchev, Aggregation of fuzzy relations in multicriteria decision making. - Compt. Rend. Acad. Bulg. Sci., 54, No 4, 2001, 47-52.


    Software engineering


    1. Stoyanov, St., V. Valkanova, I. Popchev, I. Minov. A scenario-based approach for the creation of a virtual environement for secondary school instruction. - Cybernetics and Information Technologies 8 (3), pp. 86-96, 2008, ISSN: 1311-9702.