INSTITUTE OF INFORMATION TECHNOLOGIES - BAS

Department: "Decision Support Systems"

Main Research Directions:

Optimization and multicriteria decision making
Optimization and decision support systems


RESEARCH SCIENTIFIC AND APPLIED ACTIVITY
Research Scientific Projects
  1. Optimization Methods and Systems. Contract with the Institute of Information Technologies – Bulgarian Academy of Sciences. 2007-2009.
  2. Interactive Algorithms and Software Systems Supporting Multicriteria Decision Making. Contract with the Ministry of Education and Science. 2004-2007.
  3. Optimization and Multicriteria Decision Support Systems. Contract with the Institute of Information Technologies – Bulgarian Academy of Sciences. 2004-2006.
  4. Optimization Methods in Communications. Contract with the Ministry of Education and Science. 2002-2004.
  5. Multicriteria Decision Support Systems. Contract with the Institute of Information Technologies – Bulgarian Academy of Sciences. 2001-2003.
  6. Methods and Tools for Users Access to Global Information Resources in Remote Geographic Regions. Contract with the Ministry of Education and Science. 1998 - 1999.
  7. Information System for Veterinary-Medical Sanitary Control. Contract with the Ministry of Education and Science. 1998 - 1999.
  8. Systems for Multiobjective Decision Making at Given Finite or Infinite Number of Alternatives. Contract with the Institute of Information Technologies – Bulgarian Academy of Sciences. 1998 - 2000.
  9. Investigation and Development of Systems Solving Complex Optimization Problems, Using Global Heuristic Strategies. Contract with the Ministry of Education and Science. 1995 - 1997.
  10. Systems for Solving Single- and Multiobjective Problems with Continuous and Discrete Variables. Contract with the Institute of Information Technologies – Bulgarian Academy of Sciences. 1995 - 1997.

International Scientific and Educational Projects
  1. Multiple Criteria Decision Support - Helsinki School of Economics, University of Javaschoola – Finland, Institute of Information Technologies –Bulgarian Academy of Sciences, 2008-2010.
  2. Research and educational activity in applied optimization area - Poznan Technologic University, Institute of Information Technologies –Bulgarian Academy of Sciences, 2007-2009.
  3. Multiple Criteria Decision Support - University of Malaga–Spain, Institute of Information Technologies –Bulgarian Academy of Sciences, 2007-2009.
  4. Multiple Objective Programming, - Socrates/Erasmus project, University of Tuscia, Viterbo, Italy - Institute of Information Technologies –Bulgarian Academy of Sciences, 2006-2008.
  5. On-the-job e-Training Skills to Deal with Digital Cultural Heritage Content - JASON. Leonardo - ²² PT/04/B/F/PP-159052 JASON, 2004-2006.
  6. Multiple Criteria Decision Support-Helsinki School of Economics-Finland, Institute of Information Technologies –Bulgarian Academy of Sciences, 2006-2007.
  7. FP6/2002/IST/2. INFRAWEBS, 2004-2005.
  8. Advanced On-the-Job e-Training Solutions in e-Business for SMEs – ADONIS. -Leonardo II HU/01/B/F/PP – 136029. 2003-2004.
  9. Multiple Criteria Decision Support-Helsinki School of Economics-Finland, Institute of Information Technologies –Bulgarian Academy of Sciences,2002-2004.
  10. Multiobjective Optimization – Virginia Commonwealth University – USA –Institute of Information Technologies – BAS. 2001-2003.
  11. INCO-COPERNICUS PL1060 ARCHIMED – Advanced Multimedia System Architectures and Applications for Educational Telematics.1997-2000.
  12. Multicriteria Decision Making Support Systems – Helsinki Economic University – Finland, Institute of Information Technologies, BAS. 1996 - 2000.
  13. Systems Aiding Decision Making – Institute of Mathematics, SAS, Serbia, Institute of Information Technologies, BAS.1996 - 1999.
  14. Computer Sciences, Operations Research and Technologies for Decision Making. Technological Facility of the Aristotel's University in Thessaloniki, Greece, Institute of Information Technologies, BAS. 1996 - 1998.
  15. TEMPUS SJEP 07272 "University Network for Information Technologies Education in Economics, Social and Political Sciences, Business and Humanities", 1994-1997.
  16. TEMPUS JEP 1497 "Transfer of Knowledge-Based Systems Skills to Bulgaria". 1991-1994.

APPLIED PROJECTS
  1. Digitization and processing of standard TV signals for local networks. Contract with RETEL Ltd Company, 2009-2010.
  2. Granting to NBU the right to use the software product “A system, aiding decision making MKA-2” for the purposes of bachelors’ program “Informatics”, Contract with New Bulgarian University, 2008-2013.
  3. Granting the non-exclusive right for distributing the software product ÌÊÀ-2 abroad, beyond the territory of the Republic of Bulgaria. Contract with Fourth Color Ltd Company, 2008.
  4. Models and methods for optimization of the time duration of the building process, Contract with Vl. Panaiotov-Iasna Ltd, 2008.
  5. A software system for multicriteria evaluation and selection of clients. Contract with Nak Mash Ltd Company, 2007.
  6. Analysis of combinatorial optimization models of harbour activities. Contract with Bianor Services Ltd Company, 2007.
  7. A system for optimization of the organization and production activity of small and medium-sized enterprises. Contract with RETEL Ltd Company, 2007-2008.
  8. Information Technogies in stone-cutting. Contract with Agency “IANMSP”, 2006-2008.
  9. A software insurance of a system optimizing the supplies and orders. Contract with Monitor BG Ltd Company, 2006.
  10. Development of Multiobejective Optimization Software. Contract with “INOVATICS LTD”, 2005.
  11. A software system for analysis of the investment risk in mining industry. Contract with RETEL Ltd Company, 2005-2006.
  12. Development of a software system for generalized evaluation of providers and clients. Contract with “S. Hadjidimov” SA Company, 2005.
  13. A Linear and Linear Integer Programming Software System. Contract with Agency “RSIKT”, 2005.
  14. Decision Support System for Solving Linear Multiobejective Problems. Contract with Agency “RSIKT”, 2004.
  15. Management Decision Support System. Contract with Agency “RSIKT”, 2003-2004.
  16. Development of Interweb Information System of Bulgarian National TV, 2002.
  17. Development of Specialized Software for the Control of Continuous Production Processes. Contract with RETEL, 2002.
  18. Development on Inter-Language Localization of Software Products. Contract with Sophitek-East, 2001.
  19. Information System for Automatic Entry, Control and Notes about Veterinary- Medical Preparations, Substances and Nutrition Addings. Contract with the National Veterinary-Medical Centre. 2001.
  20. Software of the Automatic Control System of the Concentrates Mixture in the Mining Enterprise of Unior-Minier-Pirdop - 2000.
  21. Design of the Software "News Room" of the Bulgarian National TV, 1999.
Developed Software Systems
TEACHING ACTIVITY
LIST OF PUBLICATIONS
  1. Vassilev, V., M. Vassileva, B. Staikov, K. Genova, F. Andonov, P. Chongova. (2008). MultiDecision-2: A Multicriteria Decision Support System. International Journal INFORMATION TECHNOLOGIES & KNOWLEDGE. Vol. 2, No 3, pp. 203-211.
  2. Marinova, G., V. Guliashki, D. Le Ruyet, M. Bellanger. (2008). Secure Multicarrier Filter Bank Based Modem on FPGA. IAENG International Journal of Computer Science, Volume 35, Issue 1, pp. 66-73.
  3. Toshev, H. I., S. L. Koynov, and Ch. D. Korsemov. (2008). Genetic Algorithms for Optimal Cutting Panes of Glass, In: Proceedings of the IV International Bulgarian-Greek Scientific Conference on Computer Science 2008, (Editor Borovska, Pl.), Kavala, Greece, (under print).
  4. Nikolova Ì. (2008). Algorithms for Solving the Problem for a Minimal Network Circulation with One Side Constraint. Cybernetics and Information Technologies, vol.8, No4, 13-20.
  5. Vatov D. (2008). Software System for Optimal Virtualization of Server Farm. Problems of Engineering Cybernetics and Robotics, Vol. 60, pp. 25-33
  6. Kirilov L., E. Bournaski, R .Iliev. (2008). Modeling and Decision Analysis with Multiple Objectives of Water Quality Management Problems, Problems of Engineering Cybernetics and Robotics, Vol. 60, pp. 55-64.
  7. Vandeva E., M. Vassileva (2008). Application of Multicriteria System MKA-2 for Multicriteria Choice of the Most Preferred Insurance “Motor Third Party liability”, Problems of Engineering Cybernetics and Robotics, Vol. 60, pp. 14-24.
  8. Toshev, H. I., S. L. Koynov, and Ch. D. Korsemov. (2008). Application of Genetic Algorithms for Effective Choice of Information, In: Proceedings of the XLIII International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST 2008, (Editor Milovanovich,B.), Nish, Serbia, Vol. 2, pp. 588-591.
  9. Vassileva, M., D. Lakov, V. Vassilev. (2007). Multicriteria Optimization Software System MOLIP. Transactions on Automatic Control and Computer Science, vol. 51(65), 2, 61-68.
  10. Nikolova Ì. (2007). Minimum Ratio Canceling Algorithm for the Problem of Minimal Network Flow with One Side Constraint. Cybernetics and Information Technologies, vol.7, No3, 41-48.
  11. Atanassov K., G. Gluhchev, S. Hadjitodorov, J. Kacprzyk, A. Shannon, E. Szmidt, V. Vassilev (2007). Generalized Nets Decision Making and Pattern Recognition. Akademicka Oficyna Wydawnictwo EXIT, Warszawa.
  12. Atanassov, K., O. Boumbarov, G. Gluhchev, S. Hadjitodorov, A. Shannon, V. Vassilev. (2007). A generalized net model of biometric access-control system. Proc. of the 9th WSEAS Int. Conf. on Automatic Control, Modeling & Simulation, Istanbul, 27-29 May, 77-80.
  13. Vassileva M., V. Vassilev, B. Staykov, D. Dochev (2007). Generalized Multicriteria Optimization Software System MKO-2. In: Procedeenigs of the 9th International Conference on Enterprise Information Systems /ICEIS 2007/, (G. Cordoso et al., Eds.), Madeira, Portugal, 283-289.
  14. Marinova Galia, Vassil Guliashki, Didier Le Ruyet, Maurice Bellanger, “Secure Multicarrier Modem on Fpga”, Lecture Notes in Engineering and Computer Science, World Congress on Engineering 2007, London, United Kingdom, Volume I, Editors: S. I. Ao, Leonid Gelman, David W.L. Hukins, Andrew Hunter, A. M. Korsunsky, IAENG, International Association of Engineers, pp. 563-567.
  15. Marinova Galia, Vassil Guliashki, Maurice Bellanger, “EQUALIZATION IN FPGA-BASED REALIZATION OF A MULTICARRIER MODEM CORE”, Conference Proceedings Joint Conference IEEE MWSCAS 200750th, NEWCAS 20075th, Montreal, Canada, pp. 795-798.
  16. Nikolova M. (2006). An Approach for Searching Unsupported Integer Solutions of the Bicriteria Network Flow Problem. Cybernerics and Information Technologies, vol.6, 3, pp.41-47.
  17. Vassilev V., K. Genova, M. Vassileva (2006). A Multicriteria Decision Support System MULTIDECISION-1. International Journal on Information Theories and Aplications, vol.13, pp.103-111.
  18. Miettinen K., L. Kirilov (2006) Interactive Reference Direction Approach Using Implicit Parametrization for Nonlinear Multiobjective Optimization, Journal of Multi-Criteria Decision Analysis, vol.13, pp. 115-123
  19. Vassilev, V., M. Vassileva, B. Stajkov, K. Mietinen, (2006). Generalized Multicriteria Decision Support Systen. In: Proceedings of the Workshop “Semantic Web and Know-ledge Technologies Applications” (within 12th International Conference AIMSA 2006).pp. 16-30.
  20. Metev, B., V. Vassilev, (2006). Estimating the Minimum of a Function over the Effi-cient Set of a MOLP Problems. Cybernetics and Information Technologies, 1, pp. 45-57.
  21. Vassilev, V., K. Genova, M. Vassileva, B. Staikov, F. Andonov. (2005). MultiDecision-2.1: A Software System for Multicriteria Analysis and Optimization. In: Preliminary Proceedings of the 5th International Conference on Decision Support for Telecommunications and Information Society. Warsaw, Poland, pp. 175-187.
  22. Lakov, D. and M. Vassileva. (2005). Decision Making Soft Computing Agents. International Journal of Systems Science, 36, 14, pp. 921-930.
  23. Kirilov, L., K. Miettinen, (2005). Solutions’ Properties and Numerical Testing of an Interactive Method REF-LEX, Proceedings of the Int. Conference on Computer Systems and Technologies - CompSysTech’05 (Eds.: B. Rachev, A. Smrikarov), Varna, Bulgaria, pp. IIIA9.1-IIIA9.6.
  24. Vassilev V., K. Genova, M. Vassileva, S. Narula (2004). An Interactive Method of Linear Mixed Integer Multicriteria Optimization. International Journal on Information Theories and Aplications, vol.11, 1, pp. 73-78.
  25. Nikolova M., K. Atanassov, V. Vassilev (2004). Generalized Nets as Tools for Optimization of Real Processes. Advanced Studies in Contemporary Mathematics, vol. 9, 1, pp. 47-62.
  26. Vassilev V., S. Narula, M. Vassileva, K. Genova (2004). A Partition-Based Interactive Algorithm for Solving Multicriteria Linear Integer Programming Problems. Cybernetics and Information Technologie,2, pp. 41-60.
  27. Vassilev V., K. Genova, F. Andonov, B. Staikov (2004). Multicriteria Decision Support System MultiChoice. Cybernetics and Information Technologie,1, pp. 65-75.
  28. Narula S., V. Vassilev, K. Genova, M. Vassileva (2004). A Reference Neighbourhood Interactive Method for Soloving a Class of Multiple Criteria Decision Analysis Problem. Proceedings of International Conference “DECOM”, Bansko, Bulgaria, (Eds. Sgurev V., Dimirovski G., Hadjiski M.), pp.131-137.
  29. Vassilev V., K. Genova, M. Vassileva, S. Narula (2003). Classification-Based Method of Linear Multicriteria Optimization. International Journal on Information Theories and Aplications, vol.10, 3, pp. 266-270.
  30. Hadjitodorov S., Mitev P., Pinto P., Shannon A., Gluhchev G., Vassilev V. (2003). A Generalized Net Description for Laryngel Pathology Detection Excluding the Refusal Option Base on Intuitionistic Fuzzy Logic. Proceedings of the “Concurence Engineering: The Vision for the Future Generation in Research and Applications”, (Eds. J. Cha et al.), Madeyra, 1013-1016.
  31. Shannon A., Gluhchev G., Vassilev V., Atanassov K., Hadjitodorov S. (2003). A Generalized Net Model of the Process of Face Recognition with Elements of Ituitionistic Fuzziness. Proceedings of the Seventh International Conference of Intuitionistic Fuzzy Sets “Notes on Intuitionistic Fuzzy Sets”, vol.9, No 4, 102-108.
  32. Nikolova, M. (2003). A Classification Based Approach for Finding ParetoOptimal Solutions of the Multicriteria Network Flow. Cybernetics and Information Technologies, 3, 11-17.
  33. Hadjitodorov S., P. Milev, K. Atanassov, V. Kolev, G. Gluhchev, V. Vassilev. (2002). A Generalized Net Description for Laryngeal Pathology Detection with Refusal Option. Proceedings of the IIIrd International Workshop on Generalized Nets, Sofia, 14-17.
  34. Kirilov, K., N. Dokev. (2002). A Lexicographic Ordering Approach in Multiple Criteria Decision Support, Proceedings of 2002 First Int. IEEE Symposium Inteligent Systems (Eds. T. Sadam, V. Sgurev), Varna, Bulgaria, vol. 1, pp. 314-319.
  35. Stoyanov, Kr., Kr. Gumnerov. (2002). Models for Intelligent Searching with Applications in the E-Commerce, Proceedings of the 27th International Conference Information and Communication Technologies and Programming (ICT&P’02), Primorsko, Bulgaria, 157-169.
  36. Guliashki, V. (2002). Parallel Genetic Algorithm PGAmod, Solving Integer Optimization Problems. Proceedings of the International Scientific Conference on Basic Technologies foe E-Business’2002, Albena, Bulgaria, pp. 272-277.
  37. Vassilev V., S. Narula, V. Gouljashki (2001). An Interactive Reference Direction Algorithm for Solving Multi-objective Convex Nonlinear Integer Programming Problems. International Transactions in Operational Research (ITOR) , vol. 8, 4, 367-380.
  38. Vassilev V.T., N. Dokev, H. Daskalova, V.S. Vassilev. (2001). Information System for Veterinary and Sanitary Control. Cybernetics and Information Technologies, 2, 78-85.
  39. Shannon A., G. Gluhchev, K. Atanassov, P. Milev, S. Hadjitodorov, V. Vassilev (2001). Generalized Net Representing Process of Speaker Identification. Shtuczny Intelect, 4, 71-79.
  40. Genova K. (2000). An Interactive Method for Solving Problems for Multicriteria Choice with Discrete Alternatives. Problems of Engineering Cybernetics and Robotics, 49, pp. 3-10.
  41. Marinova G., M. Marinov, V. Gouljashki. (1999). Distributed System for Research and for Teaching Circuit Design. In Proceedings of the X International Symposium on Theoretical Electrical Engineering, Magdeburg, Germany, pp. 109-114.
  42. Gouljashki V., O. Asparoukhov. (1999). A Heiristic Procedure for a Two-Group Classification Problem. Problems of Engineering Cybernetics and Robotics, 48, pp. 45-52.
  43. Korsemov Ch., S. Koinov, Hr. Toshev. (1999). Macroenhancements for Calling Multiargumental Subroutines or Assembles of Them. Problems of Engineering Cybernetics and Robotics, 48, pp. 18-30.
  44. Tonchev N., L. Kirilov. (1997). Multi-objective Approach to Technological Processes Optimization. In Proceedings of the International Conference on Methods and Applications of Multiple Criteria Decision Making, FUCAM, Mons, Belgium, pp. 116-118.
  45. Kirilov L., V. Vassilev. (1997). A Method for Solving Multiple Objective Linear Programming Problems. – In: Multicriteria Analysis (Ed.: J. Climaco), Springer, pp. 302-309.
  46. Vassilev V., S. Narula, V. Djambov, P. Vladimirov. (1997). MOIP: A Decision Support System for Multiple Objective Linear Programming Problems. – In: Multicriteria Analysis (Ed.: J. Climaco), Springer, pp. 259-268.
  47. Guljashki V., L. Kirilov, S. Narula, V. Vassilev. (1997). A Reference Direction Interactive Algorithm of the Multiple Objective Nonlinear Integer Programming. – In: Multiple Criteria Decision Making (Eds.: Günter Fandel and Thomas Gal). Lecture Notes in Economics and Mathematical Systems, No 448, pp. 308-317.
  48. Becheva M., V. Vassilev. (1996). Optimal–Reliability Allocation Based on Multiobjective Decision Making. In Proceedings of the 10th International Conference Systems for Automation of Engineering and Research, Varna, Bulgaria, pp. 122–126.
  49. Dokev N. (1996). An Approach for Closed Transport Systems Control Using Neural Networks. Problems of Engineering Cybernetics and Robotics, 44, pp. 36-39.
  50. Djambov V. (1996). Complexity Parametrization of a Class of Combinatorial Optimization Problems. Problems of Engineering Cybernetics and Robotics, 45, pp. 59-62.
  51. Djambov V. (1996). A Generalization of Properties Related to Classes of Sets. Problems of Engineering Cybernetics and Robotics, 44, pp. 40-42.
  52. Drangajov S. (1995). An Interactive Software Product for Multireward Markov Decision Processes. Problems of Engineering Cybernetics and Robotics, 42, pp. 50-55.
  53. Karaivanova J., P. Korhonen, S. Narula, J. Wallenius, V. Vassilev. (1995). A Reference Direction Approach to Multiple Objective Integer Linear Programming. European Journal of Operational research (EJOR), 81, pp. 176 -187.
  54. Narula S., L. Kirilov, V. Vassilev. (1994). Reference Direction Approach fo Solving Multiple Objective Nonlinear Problems. IEEE Transactions on System, Man and Cybernenetics. 24, No 5, pp. 804-806.
  55. Narula S., V. Vassilev (1994). An Interactive Algorithm for Solving Multiple Objective Integer Linear Programming Problems. European Journal of Operational Research (EJOR) ,79, pp. 443-450.
  56. Vassilev V., K. Genova. (1994) An Approximate Algorithm of Nonlinear Integer Programming. European Journal of Operational Research (EJOR) ,74, pp. 170-178.
  57. Narula S., L. Kirilov, V. Vassilev. (1994) An Interactive Algorithm for Solving Multiple Objecive Nonlinear Programming Problems. - In: Multiple Criteria Decision Making (Eds: G. H. Tzeng, H. F. Wang, V. P. Wen, P. L. Yu). Springer-Verlag, pp. 120-127.
  58. Vassilev V., S. Narula. (1993) A Reference Direction Algorithm for Solving Multiple Objective Integer Linear Programming Problems. Journal of the Operational Research Society (JORS) . 44, No 12, pp. 1201-1209.
  59. Karaivanova J., S. Narula, V. Vassilev. (1993) An Interactive Procedure for Multiple Objective Intger Linear Programming Problems. European Journal of Operational Research (EJOR), vol. 68, No 3, pp. 344-351.
  60. Vassilev V., A. Atanassov, V. Sgurev, M. Kitchovich, A. Deianov, L. Kirilov. (1993). Software Tools for Multi-Criteria Programming. -In: User-Oriented Methododlogy and Techniques of Decision Analysis and Support. (Eds.: Jaap Wessels and A. Wierzbicki). Lecture Notes in Economics and Mathematical Systems, Springer-Verlag. No 397, pp. 247-257.
  61. Narula S., L. Kirilov, V. Vassilev. (1992). Reference Direction Approach for Solving Multiple Objective Nonlinear Programming Problems. In Proceedings of the X-th International Conference on Multiple Criteria Decision Making, Taipei, Taiwan, vol. II, pp. 355-362.
  62. Narula S., J. Karaivanova, V. Vassilev (1992). An interactive Procedure for Multiple Objective Integer Programming Problems. In Proceedings of the X-th International Conference on Multiple Criteria Decision Making, Taipei, Taiwan, vol. II, pp. 315-323.
  63. Vassilev V., K. Genova. (1991). An Algorithm of Integer Feasible Directions for Linear Integer Programming. European Journal of Operational Research (EJOR), 52, pp. 203-214.
  64. Vassilev V., A. Dejanov, V. Djambov, M. Kitchovich. (1990). Software Tools for Nonlinear Programming. In Proceedings of the 11th IFAC World Congress, Tallinn, Vol. 6, pp. 153-157.
  65. Sgurev V., V. Vassilev, N. Dokev, K. Genova et al. (1989). TRASY - An Automated System for Real-time Control of the Industrial Truck Haulage in Open-pit Mines. European Journal of Operational Research (EJOR), 43, pp. 44-52.

Last update: March, 2009.