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IPDSS Staff

Assoc. Prof. Vassil Georgiev Guliashki, PhD

Office address:
"Acad. G. Bonchev" St., bl. 2
Sofia - 1113, Bulgaria

Office phone: (+ 359 2) 979 34 25
Å - mail: vgoul{at}iinf.bas.bg, vggul{at}yahoo.com


Scientific areas

  • Discrete Optimization
  • Numerical Algorithms
  • Methods and Software Systems

Curriculum Vitae

Languages

  German, English, Russian

Education

  • 1994 - Institute of Information Technologies - BAS - Ph. D. (Technical Cybernetics - Optimization Methods)
  • 1988 - Higher Machine-Electrotechnical Engineering Institute, Sofia - M. Sci. (Automation)

Publications

  1. Kirilov, L., V. Guliashki, K. Genova (2014) Shifting Bottleneck (SB) Approach for Solving Job Shop Scheduling Problems (JSSP’s), PROCEEDINGS OF INTERNATIONAL CONFERENCE ROBOTICS, AUTOMATION AND MECHATRONICS ’ 14 RAM, ISSN 1314-4634, 5-7 November, 2014, Sofia, Bulgaria, Sofia, pp. 22-25.
  2. Genova, K., L. Kirilov, V. Guliashki (2014) A brief survey of multiple objective flexible job shop scheduling solving techniques, PROCEEDINGS OF INTERNATIONAL CONFERENCE ROBOTICS, AUTOMATION AND MECHATRONICS ’ 14 RAM, ISSN 1314-4634, 5-7 November, 2014, Sofia, Bulgaria, pp. 12 - 15.
  3. Marinova G., V. Guliashki, O. Chikov, (2014), “Concept of Online Assisted Platform for Technologies and Management in Communications – OPTIMEK”, Proceedings of Papers of International Conference in Computer Science, Information System and Telecommunication, Editor: Prof. Edmond Hajrizi, (International Conference on Business, Technology and Innovation 2014), 07-08. November, 2014, Durres, Albania, pp. 136-145.
  4. Guliashki, V. and L. Kirilov, (2014), “Hybrid Evolutionary Algorithm for Multiple Objective Convex Integer Problems”, In: Proceedings of the International Conference Information Technologies (InfoTech 2014), 28-th issue, (Editor Prof. Radi Romanski), ISSN: 1314-1023, 18-19. September, 2014, Varna – St. St. Constantine and Elena resort, Bulgaria, pp. 19-28.
  5. Marinova, G. and and V. Guliashki (2014), “A PROMETHEE – Based Approach for Multiple Objective Voltage Regulator Optimization”, In: Proceedings of 22-nd International Conference NDES’2014 “Nonlinear Dynamics and Electronic Systems”, (Editors: Prof. V. M. Mladenov and Prof. P. Ch. Ivanov), ), Springer – Cham, Heidelberg, New York, Dordrecht, London, ISSN: 1865-0929, ISBN: 978-3-319-08671-2, Albena, Bulgaria, July 4-6, 2014, pp. 100-113.
  6. Kirilov, L. and V. Guliashki (2014), “An Extension of Flexible Job Shop Problem (FJSP) and Method for Solving”, In: Proceedings of the 15th International Conference on Computer Systems and Technologies CompSysTech’14, ISBN: 978-1-4503-2753-4, Ruse, Bulgaria, 27 June, 2014, ACM International Conference Proceeding Series, pp. 210-217.
  7. Guliashki, V. and D. Dimov, (2014), “Image deblurring methods and image quality evaluation”, In: Proceedings of Papers of XLIX International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2014, ISBN: 978-86-6125-108-5, Nis, Serbia, 25-27 June, 2014, Vol. 1, pp. 169-176.
  8. Guliashki, V. and L. Kirilov, (2014), “An exact interactive method for solving multiple objective integer problems”, In: Proceedings of Papers of XLIX International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2014, ISBN: 978-86-6125-108-5, Nis, Serbia, 25-27 June, 2014, Vol. 1, pp. 37-40
  9. Kirilov L., Guliashki V., Genova K., Vassileva M., Staykov B., (2013) “Generalized scalarizing model GENS in DSS WebOptim”, International Journal of Decision Support System Technology, vol. 5, issue 3, pp. 1-11, Special Issue from the Decision Support Systems Stream on the EUROXXV Conference in Vilnius, (Sessions WA-27; WB-27; WC-27; WD-27). Guest Editors: Fatima Dargam, Shaofeng Liu, Isabelle Linden, DOI: 10.4018/IJDSST, ISSN: 1941-6296, EISSN: 1941-630X
  10. http://www.igi-global.com/journal/international-journal-decision-support-system/1120
  11. Guliashki V., Genova K., Kirilov L., (2013) “The Decision Support System WebOptim in an E-Learning Context”, In: Proceedings of Papers of the International Conference "Automatics and Informatics'2013", 03.-07. October 2013, Sofia, Bulgaria, ISSN: 1313-1850, CD-ISSN: 1313-1869, pp. I-117 – I-120.
  12. 11.. Kirilov L., Genova K., Guliashki V., Staykov B., (2013) “Web-Based Decision Support System for Solving Multiple Objective Linear Integer Problems (MOLIPs)”, Book of Abstracts of 22. International Conference on Multiple Criteria Decision Making, June 17 – 21, 2013, Malaga, Spain, pp. 405.
  13. Kirilov L., Genova K., Guliashki V., Zhivkov P., (2013) “Interactive Environment for Solving Multiple Objective Programming Problems GENS-IM”, In: Proceedings of Papers of the XLVIII International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2013, (Editor Prof. Dr. Mitrovski, C.), June 26 – 29, 2013, Ohrid, Macedonia, vol. I, ISBN: 978-9989-786-90-7, pp. 179-182.
  14. Guliashki V., Korsemov C., Toshev H., Kirilov L. and Genova K., (2013) “Optimal Design of Elements in Confirmation of Panel Buildings”, In: Proceedings of Papers of the XLVIII International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2013, (Editor Prof. Dr. Mitrovski, C.), June 26 – 29, 2013, Ohrid, Macedonia, vol. I, ISBN: 978-9989-786-90-7, pp. 555-558.
  15. Guliashki V., Genova K., Kirilov L., (2013) “Hybrid Evolutionary Algorithm for Integer Multiple-Objective Optimization Problems”, In: Proceedings of Papers of the XLVIII International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2013, (Editor Prof. Dr. Mitrovski, C.), June 26 – 29, 2013, Ohrid, Macedonia, vol. I, ISBN: 978-9989-786-90-7, pp. 253-256.
  16. Guliashki V., Kirilov L., Genova K., (2013) “An Interactive Evolutionary Algorithm for Multiple Objective Integer Problems”, International Journal on Information Technologies and Security, ISSN: 1313-8251, ¹ 2, 2013, pp. 45-54.
  17. Genova K., Kirilov L., Guliashki V., (2013) “New Reference – Neighborhood Scalarization Problem for Multiobjective Integer Programming”, Cybernetics and Information Technologies, ISSN: 1311-9702, Vol. 1, 2013, pp. 104-114.
  18. Staykov B., L. Kirilov, K. Genova, V. Guliashki, D. Vatov, (2012) “Modules and Inter Modular Communication in a Web-based System for Solving Decision Problems”, In: Proceedings of the International Conference Information Technologies (InfoTech 2012), 26-th issue, (Editor Prof. Radi Romanski), ISSN: 1314-1023, 20-21. September, 2012, Varna – St. St. Constantine and Elena resort, Bulgaria, pp. 67-75.
  19. Guliashki V., L. Kirilov, K. Genova, (2012) “An evolutionary algorithm for integer multicriteria optimization (EVALIMCO)”, In: Proceedings of the 10-th International FLINS Conference, Uncertainty Modeling in Knowledge Engineering and Decision Making, (Editors Prof. Cengiz Kahraman, Prof. Etienne E. Kerre, Prof. Faik Tunc Bozbura), ISBN: 978-981-4417-73-0, 26-29.August, 2012, Istanbul, Turkey,. pp. 118-123.
  20. Guliashki V., L. Kirilov, K. Genova, B. Staykov, (2012) “Scalarizing methods in DSS WebOptim”, In: Conference Programme of 25-th European Conference on Operational Research, 8-11 July, 2012, Vilnius, Lithuania, page 210.
  21. Guliashki V., L. Kirilov, (2012) “Accelerating strategies in evolutionary algorithms”, In: Proceedings of Papers of the XLVII International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2012, June 28 – 30, 2012, Veliko Tarnovo, Bulgaria, vol. I, ISBN: 978-9989-786-57-0, pp. 253-256.
  22. Tochev A., V. Guliashki, (2012) “Application of mathematical induction for inheritance law interpretations”, Problems of Engineering Cybernetics and Robotics, ISSN: 0204-9848, Vol. 64, 2012, pp. 19-23.
  23. Staykov B., F. Andonov, D. Vatov, K. Genova, L. Kirilov and V. Guliashki, (2011) “Architecture of a flexible web-based framework for building models and solving decision optimization problem“, In: Proceedings of Papers of XLVI International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2011, ISBN: 978-86-6125-033-0, Nis, Serbia, 29 June – 01 July, 2011, Vol. 3, pp.857-860.
  24. Kirilov L., Vassil Guliashki and Krasimira Genova, (2011) “Interactive Evolutionary Algorithm for Multiple Objective Convex Integer Problems”, In: Proceedings of Papers of XLVI International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2011, ISBN: 978-86-978-86-6125-032-3, Nis, Serbia, 29 June – 01 July, 2011, Vol. 2, 421-424
  25. Guliashki V., Leoneed Kirilov (2011) “An Interactive Evolutionary Algorithm for Multiple Objective Convex Integer Problems”, In: Proceedings of Papers of XII International Conference on Computer Systems and Technologies CompSysTech’11, ISBN: 978-954-9641-52-3, Wien, Austria, 16-17 June, 2011, pp. 82-87.
  26. Genova K., L. Kirilov, V. Guliashki, B. Staykov, D. Vatov, (2011) “A Prototype of a Web-based Decision Support System for Building Models and Solving Optimization and Decision Making Problems”, In: Proceedings of Papers of XII International Conference on Computer Systems and Technologies CompSysTech’11, ISBN: 978-954-9641-52-3, Wien, Austria, 16-17 June, 2011, pp. 167-172.
  27. Genova K., V. Guliashki, (2011) “Linear Integer Programming Methods and Approaches – a Survey”, Cybernetics and Information Technologies, ISSN 1311-9702, Vol. 1, 2011, pp. 3-25.
  28. Kirilov L., V. Guliashki, (2011) “Interactive Evolutionary Method FIEM for Solving Integer Multiple Objective Problems”, Comptes rendus de l’Academie bulgare des Sciences, ISSN: 1310-1331, Impact factor: 0,204, Tome 64, No2, pp. 201-210.
  29. Guliashki V., (2010) “A genetic algorithm for inverse EIT problems”, 8-th Summer School “Advanced aspects of theoretical electrical engineering”, Sozopol’10, Part 1, Plenary Lectures, Edited by Valeri Mladenov, ISSN: 1313-9479, Sozopol 2010, Bulgaria, September 19-22, 2010, pp. 121-130.
  30. Genova K., V. Guliashki, (2010) “Evolutionary Algorithm for Multiple Objective Convex Integer Problems”, In: Proceedings of Papers of the XLV International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2010, (Editor Prof. Dr. Mitrovski, C.), June 23 – 26, 2010, Ohrid, Macedonia, vol. I, ISBN: 978-9989-786-57-0, pp. 285-289.
  31. Guliashki V., C. Korsemov, H. Toshev, (2010) “Elitism Based Evolutionary Algorithm for Discrete Optimization Problems”, In: Proceedings of Papers of the XLV International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2010, (Editor Prof. Dr. Mitrovski, C.), June 23 – 26, 2010, Ohrid, Macedonia, vol. I, ISBN: 978-9989-786-57-0, pp. 281-284.
  32. Guliashki V., L. Kirilov, (2009) “SPEA-Based Method for MCDM Convex Integer Problems”, Cybernetics and Information Technologies, ISSN 1311-9702, Vol. 4, 2009, pp. 93-101.
  33. Nachev V., V. Guliashki, (2009) “Mathematical Modeling of Regulating Characteristics of Diesel Fuel Injection Pumps for Truck “Kamaz””, Machinebuilding & Electrical Engineering, ISSN: 0025-455X, Vol. 10-11, pp. 36-45 (in Bulgarian).
  34. Íà÷åâ Âë., Â. Ãóëÿøêè, (2009) „Ìàòåìàòè÷åñêî ìîäåëèðàíå íà ðåãóëàòîðíèòå õàðàêòåðèñòèêè íà äèçåëîâè ãîðèâî-íàãíåòàòåëíè ïîìïè çà òîâàðåí àâòîìîáèë „Êàìàç””, Ìàøèíîñòðîåíå & Åëåêòðîòåõíèêà, ISSN: 0025-455X, áðîé 10-11, ñòð. 36-45.
  35. Guliashki V., H. Linkov, (2009) “An accelerated genetic reconstruction algorithm for inverse EIT problems”, XV International Symposium on Theoretical Electrical Engineering ISTET 2009, 22-24 June 2009, Lübeck, Germany, ISSN: 0932-6022, pp. 379-382.
  36. Guliashki V., H. Toshev, C. Korsemov, (2009) “Survey of Evolutionary Algorithms Used in Multiobjective Optimization”, Problems of Engineering Cybernetics and Robotics, ISSN: 0204-9848, Vol. 60, 2009, pp. 42-54
  37. Galia Marinova, Vassil Guliashki, Didier Le Ruyet, Maurice Bellanger, (2008) “Secure Multicarrier Filter Bank Based Modem on FPGA”, IAENG International Journal of Computer Science, ISSN: 1819656X, EISSN: 1819656X, Volume 35, Issue 1, pp. 66-73.
  38. Guliashki V., (2008) “A Hybrid Direct Search – Quasi-Newton Method for the Inverse EIT Problem”, Cybernetics and Information Technologies, ISSN: 1311-9702, Vol. 2, 2008, pp. 40-50.
  39. Guliashki V., (2008) „A Quickened Genetic Nonlinear Reconstruction Algorithm for EIT”, Proceedings of Papers of XLIII International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2008, Nis, Serbia, 25-27 June, 2008, ISBN: 978-86-85195-60-0, Vol. 2, pp. 433-436.
  40. Guliashki V., (2008) „An Accelerating Technique for Population Based Algorithms”, Proceedings of Papers of IX Internatrional Conference on Computer Systems and Technologies CompSysTech’08, Gabrovo, Bulgaria, 12-13 June, 2008, ISBN: 978-954-9641-52-3, pp. -IIIB.11-1- IIIB.11-6.
  41. Galia Marinova, Vassil Guliashki, Didier Le Ruyet, Maurice Bellanger, "Secure Multicarrier Modem on Fpga", Lecture Notes in Engineering and Computer Science, World Congress on Engineering 2007, July 2-4, 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.
  42. Galia Marinova, Vassil Guliashki, Maurice Bellanger, "EQUALIZATION IN FPGA-BASED REALIZATION OF A MULTICARRIER MODEM CORE", Conference Proceedings Joint Conference IEEE MWSCAS 200750th, NEWCAS 20075th, August 5-8, 2007, Montreal, Canada, pp. 795-798.
  43. Marinova, G., Guliashki, V., Bellanger M., "New Intellectual Property Blocks for a Secure Modem on FPGA", In: Proceedings of Papers of the XLII International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2007, (Editor Prof. Dr. Mitrovski, C.), Ohrid, Macedonia, vol. I, pp. 39-42.
  44. Guliashki, V., "A Hybrid Population Based Method Solving Convex Integer Optimization Problems", In: Proceedings of Papers of the XLII International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST2007, (Editor Prof. Dr. Mitrovski, C.), Ohrid, Macedonia, vol. I, pp. 249-252.
  45. Marinova G., Guliashki V., D. LeRuyet, M. Bellanger, (2006) “Multicarrier Modem Core on FPGA”, Proceedings of IEEE Mediterranean Electrotechnical Conference MELECON’2006 Circuits and Systems for Signal and Image Processing, Information and Communication Technologies and Power Sources and Systems, edited by Francisco Sandoval, Carlos Camacho and Antonio Puerta; Benalmagena (Malaga), Spain, May 16-19, 2006, pp. 66-69.
  46. Marinova G., Guliashki V., (2006) “Security Solutions for Modem Communications”, Proceedings of National Conference with international participation ELECTRONIKA’2006, Sofia, Bulgaria, Jun 1-2. 2006, pp. 287-292.
  47. Guliashki V., (2006) “The Two-Group Classification Problem Challenge – Polynomial Heuristic Algorithms”, Cybernetics and Information Technologies, Vol. 2, 2006, pp. 43-53.
  48. Marinova G., Guliashki V., (2006) “New Methods for Circuits Optimization in the Software System STOPCOMCIR”, Problems of Engineering Cybernetics and Robotics, Vol. 57, 2006, pp. 9-20.
  49. Marinova G. I., Guliashki V., (2005) “Improved design centering in a reduced search space for electronic circuits optimization”, Proceedings of papers, “XL International Scientific Conference on Information, Communication and Energy Systems and Technologies ICEST’2005”, Nis, Serbia and Monte Negro, 29. 06. - 01. 07. 2005, pp. 166-169.
  50. Marinova G. I., Guliashki V., (2005) “Software System for Statistical Optimization of Communication Circuits”, Proceedings of “Balcan Conference of Young Scientists”, Plovdiv, Bulgaria, 16. – 18. 06. 2005, Scientific Researches of the Union of Scientists Plovdiv, vol. V, ISSN 1311-9419, pp. 98-105.
  51. Marinova G., Guliashki V., Dimitrov D., (2004) “A design centering method with space dimension reduction”, Proceedings of ELEKTRONIKA’2004 Conference, Sofia, Bulgaria, 21-22. 05. 2004, pp. 134-139.
  52. Guliashki V., (2004) “A Modified Approximation Algorithm for the Small Communication Time Scheduling Problem (MAASCT)”, Proceedings of ICEST’2004 Conference, Bitola, Macedonia, 16.-18. 06. 2004, Edited by Prof. Dr. Cvetko Mitrovski and Pece Mitrevski, pp. 635-638.
  53. Guliashki V., Burdiek B., Mathis W., (2004) "Optimization of Test Signals for Analog Circuits", Electronics, ISSN 1450-5843, Vol. 8, ¹ 1, May 2004, pp. 10-13.
  54. Guliashki V., Burdiek B., Mathis W., (2003) "Optimization of Test Signals for Analog Circuits", Proceedings of Papers, Volume 1, of 6-th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services TELSIKS 2003, 1-3. October, 2003, Nis, Serbia and Montenegro, Editor: Prof. Dr. Bratislav Milovanovic, pp. 133-136.
  55. Marinova G., V. Guliashki (2003) "Fast Design Centering Method for Electronic Circuits", Proceedings of Papers, Volume 2, of 6-th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services TELSIKS 2003, 1-3. October, 2003, Nis, Serbia and Montenegro, Editor: Prof. Dr. Bratislav Milovanovic, pp. 701-704.
  56. Guliashki V., (2003) “An Approximation Algorithm for Scheduling Problem on a Finite Number of Processors with Communication Delays”, Proceedings of XXXVIII International Scientific Conference Information Communication and Energy Systems and Technologies ICEST’2003, Sofia, Bulgaria, 16-18. 10. 2003, Edited by R. Arnaudov, pp. 333-336.
  57. Guliashki V., (2002) "Parallel Genetic Algorithm PGAmod, solving integer optimization problems", Proceedings of the International Scientific Conference on "Basic Technologies for E-Business'2002", September, 15-18, 2002, Albena, Bulgaria, pp. 272-277.
  58. Guliashki V. (2001) “Solving the mixed-integer problem for classification in two groups by means of heuristics”, EIST 2001, Vo;. III, Proceedings of the International Scientific Conference on “Energy and Information Systems Technologies”, June, 7-8, 2001, Bitola, MACEDONIA, pp. 808-812.
  59. Vassilev V., S. Narula, V. Gouljashki (2001) “An Interactive Reference Direction Algorithm for Solving Convex Nonlinear Integer Multiobjective Programming Problems”, International Transactions in Operational Research, Vol. 8, No 4, pp 367-380.
  60. Marinova G. I., V. G. Guliashki (2001) “A distributed system for circuit simulation”, TELSIKS 2001, Vol. 2, Proceedings of papers, Vol. 2, of the “5th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services”, September, 19-21, 2001, Nis, Yugoslavia, pp. 467-470.
  61. Marinova G., V. Gouliashki, C. Fernandes, P. Daponte, M. Marinov (2000) “Geographically Distributed Teaching Laboratory for Microelectronic Design and Testing”, Microelectronics Education, Proceedings of the 3-th European Workshop on Microelectronics Education EWME 2000, France, May 18-19, 2000, Klewer Academic Publishers, 2000, Netherlands, pp. 131-134.
  62. Guliashki V., S. Dantchev (2000), “Solving a Class of Hard 0-1 Problems by Means of Three Heuristic Algorithms”, Proceedings of XXXV International Scientific Conference “Communication, Electronic and Computer Systems”, May, 2000, Sofia, pp. 108-113.
  63. Guliashki V. and G. Marinova (2000), “Distributed System for Parallel Data Processing of ECT Signals for Electromagnetic Flaw Detection in Materials”, 3-rd Japanese-Bulgarian-Macedonian Joint Seminar on Applied Electromagnetics JBMSAEM’2K, September 15-17. 2000, Ohrid, Macedonia, Conference Digest, pp. 71-73.
  64. Gouljashki V. and G. Marinova (1999) “Fast 3-D ECT Numerical Analysis”, Proceedings of the 1st Japanese-Bulgarian-Macedonian Joint Seminar on Applied Electromagnetics, held in Sofia, BULGARIA, September, 14.-15., 1998, JBMSAEM’98, pp. 139-144.
  65. Marinova G. and V. Gouljashki (1999) “2D Eddy Current Imaging for Steam Generator Tubing Based on Spline Interpolation Mapping and Improved Statistical Filtering”, Proceedings of the 1st Japanese-Bulgarian-Macedonian Joint Seminar on Applied Electromagnetics, held in Sofia, BULGARIA, September, 14.-15., 1998, JBMSAEM’98, pp. 145-150.
  66. Gouljashki V. and O. Asparoukhov (1999) “A Heuristic Procedure For a Two-Group Classification Problem”, Problems of Engineering Cybernetics and Robotics, Vol. 48, pp. 45-52.
  67. Marinova G, V. Gouljashki, M. Marinov,(1999) “Distributed Design System”, Proceedings of XXXIV Scientific Conference “Communications, Electronics and Computer Systems”, 28 May, 1999, Sofia, pp. 199-204, (in Bulgarian).
  68. Gouljashki V., (1999) “Programming System HCS for Two-Groups Classification, based on heuristics”, Proceedings of XXXIV Scientific Conference “Communication, Electronic and Computer Systems”, 28 May, 1999, Sofia, pp. 224-230, (in Bulgarian).
  69. Marinova G., Marinov M., Gouljashki V., (1999)“Distributed System for Research and for Teaching Circuit design”, Conference Proceedings of X. International Symposium on Theoretical Electrical Engineering, held in Magdeburg, GERMANY, September 06.-09. 1999, pp. 109-114.
  70. Gouljashki V., Marinova G., (1999) “Algorithm FCD, Determining the Spatial Parameters of Flaws in Materials”, JSAEM Studies in Applied Electromagnetics and Mechanics 1999, ISBN 4-931455-11-5, ISSN 1343-2689, (Joint Seminar Sapporo 1999), Hokkaido University, Sapporo, JAPAN, November 1-3, 1999, pp. 78-81.
  71. Marinova G., Gouljashki V., (1999) “Distributed System for Research in Electromagnetic Flaw Detection in Power Plant Steam Generator Tubes”, JSAEM Studies in Applied Electromagnetics and Mechanics 1999, ISBN 4-931455-11-5, ISSN 1343-2689, (Joint Seminar Sapporo 1999), Hokkaido University, Sapporo, JAPAN, November 1-3, 1999, pp. 82-85.
  72. Gouljashki V. (1998) “Multiple Objective Convex Integer Optimization by a Modified Genetic Search Procedure”, Programme of “16th European Conference on Operational Research”, Brussels, BELGIUM, July 12-15, 1998, pp. 39.
  73. Gouljashki V., L. Kirilov, S. Narula, V. Vassilev (1997) “A Reference Direction Interactive Algorithm of the Multiple Objective Nonlinear Integer Programming”, Lecture Notes in Economics and Mathematical Systems, No 448, pp. 308-317.
  74. Gouljashki V. (1997) “An Interactive Genetic Algorithm For Solving Multiple Objective Convex Integer Problems”, Book with Abstracts of “The IV Conference on Mathematical Methods in Operations Research and VI Workshop on Well-Possedness and Stability of Optimization Problems”, held in Sozopol, BULGARIA, 16.-20. 09. 1997, pp. 13-14.
  75. Gouljashki V., Asparoukhov, O., Danchev, S. (1997) “A Heuristic Algorithm For Solving The Classical Two-Group Classification Problem”, Proceedings of Bulgarian-Russian Seminar “Methods and Algorithms for Distributed Information Systems Design. Theory and Applications”, held in Sofia, BULGARIA, 30.09.-02.10.1997, pp. 107-125.
  76. Gouljashki V. (1997) “A Modified Genetic Algorithm for Multiple Objective Convex Integer Optimization”, Working paper No 43, Institute of Information Technologies, Section “Decision Support Systems”.
  77. Vassilev V., V. Gouljashki, L. Kirilov (1996) "An Interactive Algorithm for Solving Multiple Objective Nonlinear Integer Programming Problems", Problems of Engineering Cybernetics and Robotics, vol. 44, pp. 8-14.
  78. Gouljashki V. and V. Vassilev (1996) “A Multiple Objective Nonlinear Integer Programming Decision Support System”, Proceedings of Bulgarian-Russian Seminar “Methods and Algorithms for Distributed Information Systems Design. Theory and Applications”, held in Sofia, BULGARIA, 28.-30.05.1996, pp. 107-122.
  79. Marinova G., V. Gouljashki (1996) “Student Modelling in a Computer-Aided System for Education in Statistical Design in Electronics”, Proceedings of the National Conference with International Participation "Automation and Informatics '96", held in October, 09.-11. 1996, Sofia, BULGARIA, pp. 28-31.
  80. Gouljashki V.,(1995) "An Algorithm Combining Genetic Approach with Scatter Tabu Search for Solving Integer Optimization Problems”, Proceedings of the National Conference with International Participation "Automation and Informatics '95", held in November, 07.-09. 1995, Sofia, BULGARIA, pp. 474-478, (in Bulgarian).
  81. Gouljashki V. and V. Vassilev, (1995) "Two Nonlinear Integer Optimization Algorithms - Comparative Analysis of Test Results", Problems of Engineering Cybernetics and Robotics, Vol. 43, pp. 15-23.
  82. Gouljashki V. (1994) "One Approximate and One Exact Algorithm for Solving Convex Nonlinear Integer Problems - Comparison of Test Results", Proceedings of the 8-th International Conference "Systems for Automation of Engineering and Research", (SAER'94) and Decus NUG Seminar, October, 01.-02., 1994, St. Konstantin resort Varna, BULGARIA, pp. 273-277.
  83. Gouljashki V. G., (1994) “Algorithms for Solving Convex Nonlinear Integer Programming Problems”, Ph. D. Thesis, Institute of Information Technologies  BAS, Sofia, November, 1994.
  84. Gouljashki V. and I. Tsenov (1993) "Modular Programming System for Solving Optimization Problems with Linear Constraints”, Automation and Informatics, Vol.3/4, pp.20-21, (in Bulgarian).
  85. Gouljashki V. (1993) "Linearization Techniques and Heuristic Approaches of Nonlinear Binary Programming", Problems of Engineering Cybernetics and Robotics, vol. 38, pp. 24-32.
  86. Gouljashki V. and V. Vassilev (1993) "Nonlinear Convex Integer Programming Methods", Problems of Engineering Cybernetics and Robotics, vol. 40, pp. 3-9.
  87. Gouljashki V., (1993) "An Exact Search Procedure for Solving Single Objective Convex Integer Problems and its Implementation in Multiobjective Programming", Scientific Computation and Mathematical Modelling, Proceedings of the International Conference on Mathematical Modelling and Scientific Computation (MMSC'93), September 14-18, 1993, Sozopol, BULGARIA pp. 117-120.
  88. Gouljashki V., (1993) "Methods, Combining an Exact Search Procedure with the Metha-heuristic Tabu Search for Solving the Convex Integer Programming Problem", Automated Systems - Design and Applications, Proceedings of the 7-th International Conference "Systems for Automation of Engineering and Research", (SAER'93), vol. 1, October, 01.-03. 1993, St. Konstantin - Varna, BULGARIA, pp. 255-259.
  89. Gouljashki V. and I. Tsenov (1991) "Algorithms and Software for Solving Optimization Problems with Linear Constraints", Izvestiya na Technicheskiya Universitet - Sofia, Vol. 46, pp. 204-206, (in Bulgarian).

Research and Applied Projects

  1. Investigation and development of systems for solving complex optimization problems by means of global heuristic strategies. Contract with the Ministry of Education, Science and Technologies, NFSI, No I-515/95; 1995-1998, Institute of Information Technologies - BAS.
  2. Classification in case of 0-1 (binary) variables by means of mathematical programming methods. Contract with the Ministry of Education, Science and Technologies, NFSI, No I-623/96; 1996-1999, Central Laboratory for Bio-Medical Engineering.
  3. Systems for multiple objective decision making with final or infinite number of alternatives set. 1998-2000.
  4. Automated teaching complex for statistical design in electronic manufacturing and management. Contract with the Ministry of Education, Science and Technologies, National Council "Scientific Investigations", No MU-IS-8/95; 1995-1998. Technical University - Sofia.
  5. Connecting the laboratory for design automation in FCTT - TU-Sofia with the European University Network for Design and Verification of ICs. Contract with the Ministry of Education, Science and Technologies, National Council "Scientific Investigations", No MU-I-12/98; 1998-2001. Technical University - Sofia.
  6. Multicriteria Decision Support Systems. 2001-2003.
  7. Research and development of methods for solving optimization problems in the communications. Contract with the Ministry of Education and Science, National Council "Scientific Investigations", No I-1203/02; 2002-2005. Institute of Information Technologies - BAS, leader
  8. Systems for optimization and for supporting the multiple criteria decision making. 2004-2005.
  9. "Genetic algorithms and evolutionary approaches". 2006-2007.
  10. „Consulting agreements and joint development”. Contract # 210188 with “Vladimir Delchev 13” Ltd., 2008, leader
  11. „Methods and systems for optimization”. 2008-2009
  12. Bulgarian National Science Fund, “Web-Based Interactive System, Supporting the Building Models and Solving Optimization and Decision Making Problems”, Grant No DTK02/71, Code: 020068.
  13. “Modeling, Optimization and Multiple Criteria Decision Making”, 2010-2011
  14. „Research, development and application of efficient methods for hard-solvable single- and multi-objective problems”. Contract of the Institute of Information Technologies – BAS, 2010-2012, Code: 010095.
  15. “Application of operations research for decision making in engineer systems”, 2012-2013
  16. Contract ¹ BG161PO003-1.1.06-0083 to Operative Program „Development of Bulgarian economy competitiveness”, 2007-2013, Subprogram BG161PO003-1.1.06 “Support of scientific –research and development activities of Bulgarian enterprises”. The project is entitled: „Development of Bulgarian economy competitiveness” entitled: “Scientific research for the purposes of development of software tool for generating efficient schedules by an innovative method for multiple objective optimization in discrete manufacturing within the scope of small and medium enterprises” (2013-2015)
  17. Scientific contact person of ERASMUS-project between Institute of Information and Communication Technologies – BAS, Department Information Processes and Decision Supprot Systems, Sofia, Bulgaria and Yalova University, Department of Industrial engineering, Yalova, Turkey, Lifelong Learning Programme, 2012-2013.
  18. Contract ¹ BG161PO003-1.1.06-0038 to Operative Program „Development of Bulgarian economy competitiveness”, 2007-2013. The project is entitled: “Experimental development of software libraries to improve the image quality in stabilization using inertia sensors” (2013-2014)
  19. ¹ BG051PO001-3.3.06-0046 to Operative Program „Progress of human resources”, 2007-2013. The project is entitled:
  20. „Support for progress of Ph.D. students, post doctors and young scientists in the area of virtual engineering and industrial technologies” „Ïîäêðåïà çà ðàçâèòèåòî íà äîêòîðàíòè, ïîñòäîêòîðàíòè è ìëàäè ó÷åíè â îáëàñòòà íà âèðòóàëíîòî èíæåíåðñòâî è èíäóñòðèàëíèòå òåõíîëîãèè” (2012-2014)
  21. Project AComIn “Advanced Computing for Innovation”, grant ¹ 316087, funded by the FP7 Capacity Programme (Research Potential of Convergence Regions), 2012-2015.

Participation in International Scientific and Educational Projects

  1. Multiple Criteria Decision Support. Helsinki School of Economics, Finland / Institute of Information Technologies - BAS, 2003-2004.
  2. Multiple Objective Decision Support Systems. Helsinki School of Economics, Finland / Institute of Informatics - BAS, Institute of Information Technologies - BAS, 1996-1999.
  3. „Multiple Criteria Decision Making”, Aalto University school of Economics, Department of Information and Service Sciences, University of Jyväskylä, Faculty of Information Technology, Institute of Information and Communication Technologies – BAS, Department: Information processes and decision support systems, 2012-2015

Teaching Experience

  • Tutor of 2 graduate students

Memberships in Professional Organizations

  • Bulgarian Society on Operational Research - a member of IFORS
  • Union of Automation and Informatics
  • The International Society on Multiple Criteria Decision Making

Last update: January 2015