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Publications of Prof. Krassen Stefanov, Ph. D.


  1. C. Todorova, K. Stefanov (2006) Selection and use of domain ontologies in Learning Networks for Lifelong Competence Development. In Learning Networks for Lifelong Competence Development (editors R. Koper and K. Stefanov), Sofia, Bulgaria, pp. 11-17, ISBN 9549174344.
  2. Nikolov R., Stefanov K., Stefanova E., Georgiev A., Boytcheva S. (2005) ATI Portal for Technology Enchanced Learning, In proceeding of the E-Learning II and the Knowledge Society conference, 6-7 September, 2005, Berlin, ISBN: 9070963922.
  3. Krassen Stefanov, Eliza Stefanova (2005), Analysis of the usage of the Virtuoso system, Proc. of the AIED Workshop on Usage Analysis in Learning Systems, Amsterdam, the Netherlands, July 2005.
  4. Nicola Capuano, Pierre Carrolaggi, Jerome Combaz, Fabio Crestani, Matteo Gaeta, Erich Herber, Enver Sangineto, Krassen Stefanov, Mikel Vergara (2005), A Virtual Organisation for e-Learning, Proc. Of the International Kaleidoscope Learning GRID Workshop on Distributed E-Learning Environments, Napoli, March 14, 2005.
  5. K. Stefanov, K. Todorova (2004). Computing Ontology Creation. In Proceedings of International Congress MASSEE2003, pages 40-49, Borovets, Bulgaria, 15-21 September 2003.
  6. Stefanov K. (2003) Computing Ontology Creation, in CompSysTech'2003 International conference, Sofia, 19-20.06.2003.
  7. Vladinova R., Minchev A., Stefanov K. (2003) Distance Education Standards and Legal Issues, Computing Education Perspective, in CompSysTech'2003 International conference, Sofia, 19-20.06.2003.
  8. Galabov, Kovachev, Stefanov & all (2003) Introduction of E-Learning for the students in Natural Sciences at the Sofia University 'St. Kliment Ohridski', EDEN 2003 Annual Conference, Rhodes (Greece), 15-18 June, 2003.
  9. Nikolov R., Stefanov K., Vladinova L. (2003) Lifelong Learning: technological standards, methodological issues and best practices, International Conference on E-Learning, Sofia, 17.05.2003.
  10. Popov A., Burov J., Nikolov R., Stefanov K., Tcelkov V., Stefanova K. (2003): E-Democracy (in Bulgarian), Sofia University 'St. Kl. Ohridski' Press, 2003.
  11. Nikolov, Roumen; Stefanov, Krassen; Ivanov, Ivan; Spiridonov, Vesselin; Koleva, Vesela (2002): Teleworking solutions for Bulgarian SME's (Case Studies), E-2002: e-Business and e-Work Annual Conference, October 16-18, 2002, Prague, Czech Republic.
  12. Nikolov, Roumen; Stefanov, Krassen; Ivanov, Ivan: Life-long education and training using distance and multimedia technologies, International conference 'Information technologies in education', May 27-31, 2002, Solar Coast, Bulgaria.
  13. Stefanov K. (2002): Promoting e-Business for Bulgarian SMEs, eEurope Go-Digital Conference 'eBusiness opportunities for SMEs', February 5, 2002, Bilbao, Spain.
  14. Stefanov K., (2002): Flexible work in European SME's from industrial sector, International Flexwork Seminar, January 30-31, 2002, Sofia, Bulgaria.
  15. Nikolov R., Stefanov K., Kovacheva E., Stefanova E. (2001) Centre of Excellence in Information Society Technologies: the Role of the University in Capacity Building Outside the University, Proceedings of 6th ICTPA'01, Sinaia, Romania, 28-31.10.2001.
  16. Stefanov K., Nikolov R., (2000) Designing Web Educational Courses and Materials, Proc. Of the Web Information Technologies: Research, Education and Business Workshop, May 2-5, 2000, Montpellier, France.
  17. Stefanov K., Lomev B., Varbanov S., Nikolov R. (1998), Distance Learning Course on Business on the Internet: Some Implementation Issues, in G. Davis (ed.) "Teleteaching'98: Distance Learning, Training and Education", Proc. of the XV IFIP World Computer Congress, 31 August - 4 September, Vienna/Austria and Budapest/Hungary, pages 973-980.
  18. Stefanov K., Dicheva D., Nikolov R., Djakova I. (1998), User Interface for a Virtual Learning Environment: Two Study Cases, Education and Information Technologies, Vol 3 (3), Kluwer Academic Publisher, to appear in January 1999.
  19. Stefanov, K., Stoyanov, S., Nikolov, R.(1998), Design Issues of a Learning Course on Business on the Internet, Journal of Computer Assisted Learning (1998) 14, Blackwell Science Ltd., pages 83-90. 
  20. Nikolov R., Stefanov K. (1997), A Virtual Environment for Doing Business on the Internet, in Proc. of IFIP WG3.3 Working Conference "Human Computer Interaction and Educational Tools", Sozopol, May 27-28, pages 207-214. 
  21. Stefanov K. (1995), Educational Logic Programming Environment, PhD Thesis, Faculty of Mathematics and Informatics, Sofia University "St. Kl. Ohridski".
  22. Stefanov K., Dimitrova G. (1993), Knowledge Based Tool for Modelling Dynamic Systems in Education, Proceedings of PEG-93 Conference, Edinburgh, July 2-4, pp 224-228. 
  23. Stefanov K. (1992), Prolog Based Educational Environment, 9th International Seminar "Applying Computer Science in Management, Education and Other Sciences", Sofia, pp 59-63. 
  24. Stefanov K., Buchvarov St. (1992), Prolog Based Educational Programming Tools, Mathematics and Education in Mathematics, Sofia, pp 272-276, (in Russian). 
  25. Stefanov K. (1991), Prolog Programming Environment, in Proceedings of the Sixth International PEG Conference: Knowledge Based Environments for Teaching and Learning, Rapalo, Italy, May 31 - June 2, pp 716-723. 
  26. Dimitrova G., Stefanov K. (1991), Educational Knowledge Based Environment, in Proceedings of the Sixth International PEG Conference, Rapalo, Italy, May 31 - June 2, pp 120-123. 
  27. Stefanov K. (1989), Knowledge Based Programming Environment, in Proceedings of Fifth Conference of Program Designers, Budapest, August 28 - September 1, pp 85-90. 
  28. Buchvarov St, Stefanov K., Tomanova M. (1989), A set of programming tools for use in computer science education in natural sciences, in Brusentcov N. and Maslov S. (eds.), Applying Computer Science in Management, Education and Other Sciences, Moscow, pp 47-53 (in Russian). 
  29. Soskov I., Stefanov K. (1989), From ALGOL-like to Equivalent PROLOG Programs, in Brusentcov N. and Maslov S. (eds.), Applying Computer Science in Management, Education and Other Sciences, Moscow, pp 75-79 (in Russian). 
  30. Buchvarov St, Stefanov K. (1988), Microcomputer-Based System with Author language for Developing Tutorial Materials in High School, Mathematics and Education in Mathematics, Sofia, pp 646-649 (in Russian). 
  31. Stefanov K., Tomanova M. (1988), Animation in AERO System, 8th International Seminar "Applying Computer Science in Management, Education and Other Sciences", Sofia, pp. 270-274 (in Russian). 
  32. Stefanov K., Goshev A. (1988), Authoring Editor in AERO System, 8th International Seminar "Applying Computer Science in Management, Education and Other Sciences", Sofia, pp 275-279 (in Russian). 
  33. Malinovski N.L., Stefanov K.S. (1984), Method for Computer - Aided Design of a Conceptual Data Base Schema, in Proceedings of VII International Seminar on DBMS, Varna, pp. 93-101. 
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