Лични средства
Вие сте тук: Начало Преподаватели Софтуерни технологии проф. д-р Иван Койчев

проф. д-р Иван Койчев

д-р Иван Койчев

Професор, Катедра Софтуерни технологии

ivan.koychev AT fmi.uni-sofia.bg

Служебен телефон: 02 971 04 00

Кабинет: 310, блок 2

Лична страница

Образование и научни степени

1998 - Институт по математика и информатика, БАН - Доктор
1983-1988 - Факултет по математика и информатика на СУ “Св. Кл. Охридски” - Магистър
1977-1981 - Математическа гимназия, гр. В. Търново

Научни интереси

изкуствен интелект (Artificial Intelligence),
машинно самообучение (Machine Learning),
откриване на знания (Data/Text Mining)
извличане на информация (Information Retrieval)
моделиране на потребители (User Modelling)

Научни проекти

SmartBook - http://dse.fmi.uni-sofia.bg/SmartBook/index.htm
SISTER - http://www-it.fmi.uni-sofia.bg/sister/index_en.htm

Преподавателска дейност

Изкуствен интелект (Artificial Intelligence)
Извличане на информация (Information Retrieval)
Откриване на знания в данни (Data Mining)

Приемно време

вторник 15:00-16:00;
сряда 16:30-17:30
310, 2 бл.

Публикации

Kraychev, B. and Koychev, I. Computationally Effective Algorithm for Information Extraction and Online Review Mining. In Proc. of International Conference on Web Intelligence, Mining and Semantics June 13-15, 2012, Craiova, Romania, ACM.

Ясен Кипров, Иван Койчев, Борис Крайчев – Социален подход към семантичното анотиране на E-книги. Сборник доклади на Петата Национална конференция „Образованието в информационното общество”, Пловдив, 31.05-01.06.2012, ARIO.

Александър Чомаков, Иван Койчев, Александър Григоров – Уеб базирана услуга за автоматично извличане на модел на потребителски интереси. Сборник доклади на Петата Национална конференция „Образованието в информационното общество”, Пловдив, 31.05-01.06.2012. ARIO.

Peshterliev, S. and Koychev, I. Semantic Retrieval Approach to Factoid Question Answering for Bulgarian. In Proc. of Int. Conference S3T'11 (Track Intelligent Content and Semantic), Burgas 1-3 September 2011. Advances in Intelligent and Soft Computing series, Springer.(Best student paper award)

Kraychev, B. and Koychev, I. Classification of Online Reviews by Computational Semantic Lexicons. In Proc. of International Conference S3T'11 (Track Intelligent Content and Semantic), Burgas 1-3 September 2011. Advances in Intelligent and Soft Computing series, Springer.

Stefanov, K., Nikolov, R., Boytchev, P., Stefanova, E., Georgiev, A., Koytchev, I., Nikolova, N., and Grigorov, A. Emerging Models and e-Infrastructures for Teacher Education. To appear in Proc. of ITHET 2011, IEEE publisher.

Chechev, M. and Koychev, I. Social Reading and Book Sharing - in Proc. of International Conference S3T'10 (Track Intelligent Content and Semantic), Varna, 11-12 September 2010.

Damova, M. and Koychev, I. Query-Based Summarization: A survey - in Proc. of Int. Conference S3T'10 (Track Intelligent Content and Semantic), Varna, 11-12 September 2010.

Kiprov, Y. and Koychev, I. Online Authoring System with Semi Automatic Annotation and Visual Knowledge Representation - in Proc. of Int. Conference S3T'10 (Track Intelligent Content and Semantic), Varna, 11-12 September 2010.

Koychev, I., Dicheva D. and Nikolov, R.: SmartBook: Semantics Inside. Serdica Journal of Computing. (4), 2010, p. 263-278.

Koychev, I., Nikolov, R. & Dicheva D.: SmartBook: The New Generation e-Book Meets University 2.0. Proc. of Int. Conference S3T’09 (Track Intelligent Content and Semantic), Sofia, 28,29 October’09.

Chenkova, E. & Koychev I.: A Just-In-Time Information Retrieval Agent that Provides Context Aware Support of Text Creation. Proc. of Int. Conference S3T’09 (Track Intelligent Content and Semantic), Sofia, 28,29 October’09

Stamenov, A. & Koychev I.: Web-based CBR System for Support Medical Diagnosis. Proc. of Int. Conference S3T’09 (Track Intelligent Content and Semantic), Sofia, 28,29 October’09.

Koychev I., Nikolov, R. and Dicheva D.: SmartBook: The New Generation e-Book. Proceedings of BooksOnline'09 Workshop organised in conjunction with ECDL 2009, Corfu, October 2, 2009.

Koychev, I., Nikolov, R., Dicheva, D. SmartBook –The Future E-Book And Educational Hypermedia, Proceedings of National conference "Education in Information Society", May, 11-12, Plovdiv, Editor Peter Barnev, published by ADIS & IMI-BAS, p.30-37, ISBN 978-954-8986-30-4

Varbanov S., Koychev I. Software Agents’ Architecture for a Business Game. In New Trends in Mathematics and Informatics. Proceeding Jubilee International Conference, July 6 - 8, 2007, Sofia, Bulgaria - abstract

Koychev I., Approaches for Learning Classifiers of Drifting Concept. (Invited talk) Security Informatics and Terrorism-Patrolling the Web. Proceedings of NATO Advanced Research Workshops, Ben-Gurion University of the Negev, Israel. 4-5 June 2007

Koychev I., Experiments with Two Approaches for Tracking Drifting Concepts. in Serdica Journal of Computing 1 (2007), IMI-BAS, Sofia, p.27-44

Koychev I.: Computer games - the new media in Education, (Invited talk). Proceeding of the National Conference: “Education in Information Society”, Plovdiv, October 13-14, 2006 (in Bulgarian)

Boytchev P., Bontchev B., Nikolov R., Oliveira M., and Koychev I.: Designing a Toolset for the PRIME Virtual Business Environment. 10th Workshop on Experimental Interactive Learning in Industrial Management; IFIP WG5.7 SIG, Trondheim, Norway, June 2006

Koychev I., Lothian R. Tracking Drifting Concepts by Time Window Optimisation – in proceeding of International Conference on Innovative Techniques and Applications of Artificial Intelligence (AI2005), Lecture Notes in Artificial Intelligence, Springer-Verlag, 2006

Wiratunga, N., Lothian, R., Chakraborti, S., and Koychev, I.: A Propositional Approach to Textual Case Indexing. In Jorge, A., Torgo, L., Brazdil, P., Camacho, R., Gama J. (Eds.): Knowledge Discovery in Databases: PKDD 2005, LNCS 3721 Springer, p. 380-391

Harper, DJ., Muresan, G., Liu, B., Koychev, I., Wettschereck, D., and Wiratunga N. The Robert Gordon University’s HARD Track Experiments at TREC 2004. Proceeding of the HARD, High Accuracy Retrieval from Documents (TREC 2004), NIST

Wiratunga, N., Koychev, I., Massie, S. (2004). Feature Selection and Generalisation for Retrieval of Textual Cases – in the Proceeding of the 7-th European Conference on Case-Based Reasoning. Lecture Notes in Artificial Intelligence, Springer, Berlin, Heidelberg, New York. (Best paper award)

Harper, D.J., Koychev, I., Sun, Y. and Pirie I. (2004). Within-document Retrieval: A User-Centred Evaluation of Relevance Profiling, Journal of Information Retrieval, 7, 265-290, 2004, Kluwer Academic Publishers

Harper, D.J., Koychev, I. and Sun, Y. (2003). Query-Based Document Skimming: A User-Centred Evaluation of Relevance Profiling. Proceedings of 25-th European Conference on Information Retrieval. Lecture Notes in Computer Science. Springer-Verlag, Berlin, Heidelberg, New York, p. 377-392

Koychev, I. (2002). Tracking Changing User Interests through Prior-Learning of Context. In: de Bra, P., Brusilovsky, P., Conejo, R. (eds.): Adaptive Hypermedia and Adaptive Web Based Systems. Lecture Notes in Computer Science, Vol. 2347. Springer-Verlag, Berlin, Heidelberg, New York. p. 223-232

Koychev, I. (2000). Gradual Forgetting for Adaptation to Concept Drift. Proceedings of ECAI 2000 Workshop on Current Issues in Spatio-Temporal Reasoning, Berlin, p. 101-107

Koychev, I. and Schwab, I. (2000). Adaptation to Drifting User's Interests. In proc. of ECML2000 Workshop: Machine Learning in New Information Age, Barcelona, Spain, p. 39-46

Schwab, I., Kobsa, A. and Koychev, I. (2000). Learning about Users from Observation. In proc. of the AAAI Spring Symposium: Adaptive User Interfaces, Menlo Park CA: AAAI Press

Schwab, I., Pohl, W. and Koychev, I. (2000). Learning to Recommend from Positive Evidence. Proceedings of the International Conference on Intelligent User Interfaces IUI2000, New Orleans, Louisiana, USA, ACM Press

Pohl, W., Schwab, I. and Koychev, I. (1999). Learning about the User: A General Approach and Its Application. Proceeding of IJCAI'99 Workshop: Learning About Users, Stockholm, Sweden

Koychev, I. (1998). Qualitative Prediction of Sequences of Events. PhD Thesis. Institute of Mathematics and Computer Science at the Bulgarian Academy of Science. (in Bulgarian)

Koychev, I. (1997). Specific Difficulties in Teaching Information Technology to Public Administration Students. Proceedings of NISPAcee Workshop: Information and Communication Technology as Driving Force of Change in Public Administration, Prague, 1997, p. 76-85

Dobreva, M. and Koychev, I. (1996). Text Cooperativeness: the Case of Medieval Slavic Gospel Lectionary Texts - International Journal Information Theory and Applications, vol. 4 (2)

Dobreva, M. and Koychev, I. (1995). Modeling Orthographic Variety: the Case of Mediaeval Slavic Texts, In International Journal Information Theory and Applications, Vol. 3 (1)

Dobreva, M., Koychev, I. and Todorov, V. (1995). Teaching Computer Science to Humanities High-School Students in Bulgaria. In Proceedings of the sixth IFIP World Conference: Computer in Education, Birmingham 1995

Koychev, I. and Punnev, S., (1995). INDPS - An Interactive Non-Deterministic Prediction System. In Proceedings of the 22th International Conference IT&P, Plovdiv 1995, p. 92-99

Koychev, I. and Dobreva, M. (1994). Application of Learning by Examples Method to Dating Medieval Bulgarian Manuscripts. International Journal Information Theory and Applications, vol. 2(5)

Koychev, I. (1993). Learning to Predict Sequences of Events. In Proceedings of the ACMBUL93: Computer Applications. Sofia. p. 191-196

Koychev, I. (1992). Using Inductive-learning Algorithms to Discover Dependencies in Set of Examples. Proceedings of the 17th Int. Conference: Information Technology and Programming. Sofia, p. 96-102

Koychev, I. (1992). Incremental Learning in Qualitative Prediction. Proceedings of the 17th International Conference: Information Technology and Programming, Sofia, p.89-95.

Новини
Sep 19, 2017 Записване на новоприетите студентите във ОКС "Магистър" на ФМИ за учебна 2017/2018 г.
Sep 18, 2017 Публична лекция на д-р Николина Николова, 5 октомври 2017
Sep 18, 2017 Прием за ОКС "магистър" , 2017/2018, резултати от кандидатмагистърския изпит за МП от специалност Информатика
Sep 17, 2017 От 15 до 17 септември 2017 г. ФМИ бе домакин и организатор на Юбилейната научна конференция „100 години от рождението на проф. Ярослав Тагамлицки"
Sep 14, 2017 Програма Еразъм +, конкурс за преподавателска мобилност с цел преподаване и обучение, 2017-2018 уч.г.
Sep 14, 2017 132nd European Study Group with Industry, ESGI'132, 18-22 септември 2017
Sep 12, 2017 СДК "Учител по информационни технологии, 5. – 8. клас", срок за записване до 15 октомври 2017
Sep 12, 2017 На вниманието на студентите 1 курс, задочно обучение
Sep 11, 2017 Разпределение на входящите номера по сгради и зали, тест за МП от спец. Информатика, 12 септември 2017
Sep 10, 2017 Оценки от ДИ проведен на 9 и 10 септември 2017 г., спец. Математика и информатика
Sep 10, 2017 Промяна в учебното разписание на задочно обучение
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