Списък публикации преди докторска дисертация



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  1. Списък публикации преди докторска дисертация:




  1. G. Bogdanova, T. Todorov, D.Blagoev, M. Todorova, Use of Dynamic Technologies for WEB-enabled Database Management Systems, In Proc. of the 4-th International Conference on Computer Systems and Technologies, pp.202-207, Sofia, (2003).

  2. G. Bogdanova, T. Todorov, V. Todorov, Web-Based Application for Coding Theory Studying, In Proceedings of the International Congress of Mathematical Society of Southeastern Europe, Borovets, Bulgaria, September 15-21, University of Latvia, Riga, ISBN 9984-725-88-X, pp.94-99, (2003).

  3. T. Todorov, Spread spectrum watermarking technique for information system securing, In Proc. of the 5-th International Conference on Computer Systems and Technologies, pp.1-5, Ruse, (2004).

  4. T. Todorov, Spread spectrum watermarking technique for information system securing, International Journal on INFORMATION THEORIES and APPLICATIONS, vol. 11, pp.405-408, (2004).

  5. G. Bogdanova, T. Todorov, Application of digital watermarking, In Proc. of the Second International Symposium “Humanitarian Sciences”, 14-16 April, Burgas, (2004).

  6. G. Bogdanova, T. Todorov, Some bounds for equidistant codes, In Proc. of the Ninth International Workshop on Algebraic and Combinatorial Coding Theory, Kranevo, Bulgaria, June 19-25, (2004).

  7. G. Bogdanova, T. Todorov, Bounds on the size of equidistant codes over alphabet of five and six elements, In Proc. of the Fourth International Workshop on Optimal Codes and Related Topics, (2005).

  8. G. Bogdanova, T. Todorov, New Ternary and Quaternary Equidistant Constant Weight Codes, Mathematics and Education in mathematics, Proc. of the conference of UBM, Borovec, April 6-9, (2005).

  9. G. Bogdanova, T. Todorov, Bounds on the Size of Equidistant codes over Alphabet of Seven Elements, Proceedings of MASSEE International Congress on Mathematics, Paphos, Cyprus, pp.22, (2006).

  10. G. Bogdanova, T. Todorov, Ts. Georgieva, Algorithms for security and analyzing the experimental multimedia archive, In Proc. of the International Workshop on Algebraic and Combinatorial Coding Theory, Zvenigorod, Russia, pp.28-30, (2006).

  11. G. Bogdanova, T. Todorov, Ts. Georgieva, Development, security and analization of experimental multimedia archive, In Proc. of MASSEE International Congress on Mathematics, Paphos, Cyprus, pр.127-128, (2006).

  12. G. Bogdanova, T. Todorov, V. Zinoviev, On construction of q-ary equidistant codes, In Proc. of the International Workshop on Algebraic and Combinatorial Coding Theory, Zvenigorod, Russia, pp.31-35, (2006).

  13. G. Bogdanova, T. Todorov, Application of digital watermarking, Journal of International Research Publications (serial online), Science Invest Ltd, (2006).

  14. T. Pagkou, T. Todorov, Lexicographic Equidistant Constant Weight Codes, In Proc. Of the Conference on Mathematics, Informatics and Computer Science, V. Tarnovo, May 12-13, pp.147-151, (2006).

  15. T. Berger, T. Todorov, Implementation of Block Error-Correcting Codes in amplitude modulation watermarking, Mathematics and Education in mathematics, Proc. of the conference of UBM, Borovec, pp.230-237, (2006).

  16. Галина Богданова, Тихомир Трифонов, Тодор Тодоров, Цветанка Георгиева, Анализиране и защита на аудио и видео архив на уникални български камбани, Научна конференция "Европа като културно пространство", Благоевград, (2007).

  17. G. Bogdanova, T. Todorov, Bounds on the Size of Equidistant codes over Alphabet of Five and Six Elements, Mathematica Balcanica, New Series, vol. 21, (3-4), pp.131-140, (2007).

  18. G. Bogdanova, T. Todorov, V. Zinoviev, On construction of q-ary equidistant codes, Problems of Information Transmission, vol. 43, pp.13-36, (2007).

  19. G. Bogdanova, T. Todorov, D.Blagoev, M. Todorova, Use of Dynamic Technologies for WEB-enabled Database Management Systems, International Journal Information Technologies and Knowledge, vol. 1, pp.335-340, (2007).

  20. G. Bogdanova, T. Todorov, Ts. Georgieva, Algorithms for security and analization of experimental multimedia archive, Mathematica Balcanica, New Series, vol. 21, (3-4), pp.225-232, (2007).

  21. T. Todorov, Performance of an error correction scheme for image watermarking, Proc. of the International Workshop on Optimal codes and Related Topics, White Lagoon, Bulgaria, pp.233 – 236, (2007).

  22. G. Bogdanova, T. Todorov, Enumeration of some optimal ternary constant-weight codes, In Proc. of the International Workshop on Algebraic and Combinatorial Coding Theory, Pamporovo, Bulgaria, (2008).

  23. T. Berger, T. Todorov, Improving the Watermarking Process with Usage of Block Error-Correcting Codes, Serdica Journal of Computing, vol. 2, (2), pp.163-180, (2008).

  24. G. Bogdanova, T. Todorov, Ts. Georgieva, New approaches for development, analyzing and security of multimedia archive of folklore objects, Computer Science Journal of Moldova, vol. 16, 2(47), pp.183-208, (2008).




  1. Списък публикации след докторска дисертация:




  1. G. Bogdanova, T. Todorov, Methods for equidistant code search in computer package QPlus, In Proc. of the International Workshop on Optimal Codes and Related Topics, St.Constantine and Helena, Bulgaria, June, (2009).

  2. T. Todorov, G. Bogdanova, N. Noev, Organization and Security of the Audio and Video Archive for Unique Bulgarian Bells, MASSEE International Congress on Mathematics, MICOM 2009, Ohrid, pp.99, (2009).

  3. G.Bogdanova, T.Todorov, T.Yorgova, New ternary and quaternary constant-weight equidistant codes, Discrete Mathematics, Algorithms and Applications, vol. 2, No. 1, pp. 89-97 (2010).

  4. T.Todorov, G.Bogdanova, T.Yorgova, Lexicographic constant-weight equidistant codes over the alphabet of three, four and five elements, Intelligent Information Management, vol. 2, No. 3, pp.183-187, (2010).

  5. G. Bogdanova, T. Todorov, N. Noev, Digitalization and security of "Bulgarian Folklore Heritage" archive, CompSysTech, ACM International Conference Proceeding Series (ICPS) vol. 471, pp. 335-340, (2010) .

  6. G. Bogdanova, T. Todorov, N. Noev, Signing individual fragments of an RDF graph of unique Bulgarian bells, International Workshop on Algebraic and Combinatorial Coding Theory, Novosibirsk, Russia, (2010).

  7. G. Bogdanova, T. Todorov, V. Todorov, QPlus - computer package for coding theory research and education, International Journal of Computer Mathematics, vol. 88, No. 3, pp. 443-451, ISSN: 0020-7160, (2011 ).

  8. G. Bogdanova, T. Todorov, Enumeration of Some Optimal Ternary Constant-Weight Codes, Res Computeria, vol. 1, No. 1, 2011, pp. 1-4, ISSN 2230-9454.

  9. R. Pavlov, R., G. Bogdanova, D. Paneva-Marinova, T. Todorov, K. Rangochev, Digital Archive and Multimedia Library for Bulgarian Traditional Culture and Folklore, International Journal “Information Theories and Applications”, Vol.18, №3, pp. 276-288, ISBN: 1310-0513, presented at International Conference - i.Tech’11, Varna, Bulgaria, (2011).

  10. G, Bogdanova, T. Todorov, N. Noev, Digital Repository of Information and Knowledge - Fund "BellKnow", In the Proceedings of the First International Conference “Digital Preservation and Presentation of Cultural and Scientific Heritage" – DiPP’11, Veliko Tarnovo, Bulgaria, 11-14 September, pp. 91-98, ISSN: 1314-4006, (2011).

  11. G. Bogdanova, V. Atanasova, T. Todorov, Information Technologies for Presentation of Bulgarian-Indian Cooperation in a Virtual Museum, In the Proceedings of the First International Conference “Digital Preservation and Presentation of Cultural and Scientific Heritage" – DiPP’11, Veliko Tarnovo, Bulgaria, 11-14 September, pp. 111-116, ISSN: 1314-4006, (2011).

  12. G.Bogdanova, S. Stefanov, T. Todorov, J. Shterev, N. Noev, The Knowledge in Automotive Field Representation with Modern Technologies, In the Proceedings of the First International Conference “Digital Preservation and Presentation of Cultural and Scientific Heritage" – DiPP’11, Veliko Tarnovo, Bulgaria, 11-14 September, pp. 179, ISSN: 1314-4006, (2011).

  13. G, Bogdanova, T. Todorov, N. Noev, Development, Annotation and Protection of Digital Archive "Bulgarian Folklore Heritage", In the Proceedings of the First International Conference “Digital Preservation and Presentation of Cultural and Scientific Heritage" – DiPP’11, Veliko Tarnovo, Bulgaria, 11-14 September, pp. 181, ISSN: 1314-4006, (2011)

  14. K. Stoffel, G. Bogdanova, T. Todorov, 3D modeling of valuable Bulgarian bells and churches, X Международна конференция “Библиотеки, четене, комуникации”, В.Търново, 17-18 ноември, (2011).

  15. Г. Богданова, С. Стефанов, Й. Щерев, Т. Тодоров. Н .Ноев, Цифровизация на учебни материали в автомобилната сфера, X Международна конфернция “Библиотеки, четене, комуникации”, В.Търново, 17-18 ноември, (2011).

  16. G. Bogdanova, N. Noev, K. Stoffel, T. Todorov, 3D Modeling of Valuable Bulgarian Bells and Churches, Mathematica Balkanica, NewSeries Vol. 25, ISSN 0205-3217, Fasc. 5, pp. 475-482, (2011).

  17. G. Bogdanova, T. Todorov, N. Noev, Semantic Model of Digital Resourses of Bulgarian Bells, Mathematica Balkanica, NewSeries Vol. 25, 2011, ISSN 0205-3217, Fasc. 5, pp. 483-490, (2011).

  18. G, Bogdanova, T. Todorov, N. Noev, S. Kancheva, Research on Linguistic Approaches, Used for Semantic Explanation of Bell’s Knowledge, In the Proceedings of the Second International Conference “Digital Preservation and Presentation of Cultural and Scientific Heritage" – DiPP’12, Veliko Tarnovo, Bulgaria, pp. 155-160, ISSN: 1314-4006, (2012).

  19. G. Bogdanova, K. Stoffel, T. Todorov, N. Noev, Building OWL Ontology of unique Bulgarian bells using Protégé platform, In the Proceedings of the Second International Conference “Digital Preservation and Presentation of Cultural and Scientific Heritage" – DiPP’12, Veliko Tarnovo, Bulgaria, pp. 161-166, ISSN: 1314-4006, (2012).

  20. T. Todorov, S. Todorova, Web-based information system for research and development of educational portfolio (eduPortfolio), In proceedings f the eighth international scientific-practical conference Internet-education-science, IES, pp. 76-77, Ukraine, (2012).

  1. Доклади:




  1. Т. Тодоров, Защита на цифров звук с помощта на воден знак, Семинар “Математически основи на информатиката”, ВТУ, (2006).

  2. Т. Тодоров, Защита на данни с воден знак, Семинар “Математически основи на информатиката”, ВТУ, (2007).

  3. Г. Богданова, Т. Тодоров, В. Ваврек, Паспортизация и създаване на аудио и видео архив на уникални камбани от историческото и културно наследство на България, Семинар: "Съвременни методи за съхраняване и опазване на културно-историческото наследство", В. Търново, (2007)

  4. Т. Тодоров, Еквидистантни кодове, Семинар “Математически основи на информатиката”, ВТУ, (2008).

  5. Т. Тодоров, Еквидистантни кодове. Защита на данни с воден знак, Семинар катедра „Математика”, ТУ Габрово (2008).

  6. Т. Тодоров, Защита на данни с воден знак, Национален семинар по информатика (2008).

  7. Improving the Watermarking Process With Usage of Block Error-Correcting Codes, Laboratoire d’Arithmétique, Calcul formel et d’Optimisation, Université de Limoges, (2005).

  8. Optimal ternary equidistant codes, Rényi Institute of Mathematics, Hungary, (2007), (представен от Г. Богданова).

  9. Optimal equidistant codes, Alfréd Rényi Institute of Mathematics, Hungary, (2009).

  10. T. Todorov, QPlus - software application for research on error-correcting codes, NATO-ASI, Information Security and Related Combinatorics, Croatia, (2010).

  11. G. Bogdanova, G. Dimkov, T. Todorov, N. Noev, Model of Digital Repository of Information and Knowledge - Fund “BellKnow”, Годишен семинар по алгебрична и комбинаторна теория на кодирането - 2010, Ксилифор, 17-19 декември 2010;

  12. G. Bogdanova, S. Stefanov, Y. Shterev, T. Todorov, N. Noev, Designing and security of Virtual Information Portal “AutoKnow”, Годишен семинар по алгебрична и комбинаторна теория на кодирането - 2010, Ксилифор, 17-19 декември 2010

  13. Г. Богданова, Т. Тодоров. Н .Ноев, “Паспортизация на уникални камбани и организация на дигитални фондове", Интердисциплинарен семинар "Информационно общество”, 2011.

  14. T. Todorov, QPlus - software application for research on error-correcting codes, IPPI, RAS, Moscow, (2011).


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