Christo Dichev

Journal Articles 

Dicheva, D., Irwin, K., & Dichev, C. (2019). Exploring Learners Experience of Gamified Practicing: For Learning or for Fun? International Journal of Serious Games, 6(3), 5-21. https://doi.org/10.17083/ijsg.v6i3.299

Dicheva, D., Irwin, K., & Dichev, C. (2018) OneUp: Supporting Practical and Experimental Gamification of Learning. International Journal of Serious Games, 5(3), 5 – 21.

Dichev, C. & Dicheva, D. (2017). Gamifying education: what is known, what is believed and what remains uncertain: a critical review. In International Journal of Educational Technology in Higher Education 14:9, Springer, DOI: 10.1186/s41239-017-0042-5.

Dicheva D., Dichev C., Agre G. and Angelova G. (2015) Gamification in Education: A Systematic Mapping Study, Journal of Educational Technology and Society, Volume 18 Number 3, 75-88.

Dichev, C., Dicheva, D., Agre, G., & Angelova, G. (2015). Trends and Opportunities in Computer Science OER Development. Journal of Cybernetics And Information Technologies, 15(3), 114-126.   

Dichev, C., Dicheva, D., Angelova, G., Agre, G. (2014) From Gamification to Gameful Design and Gameful Experience in Learning, Journal of Cybernetics And Information Technologies, Volume 14, No 4. 

Dichev C., Dicheva D (2014) Gamifying Self Directed Learning, Journal of Network and Innovative Computing (JNIC), Vol. 2(2).

Dichev, C., Dicheva, D., Agre, G., Angelova, G. (2013) Current Practices, Trends and Challenges in K-12 Online Learning, Journal of Cybernetics And Information Technologies, Volume 13, No 3, 91-110.

Dichev, C., Xu, J., Dicheva, D., Zhang, J. (2009) Measuring Similarity of Interests for Clustering Taggers and Resources, International Journal of Virtual Communities and Social Networking (IJVCSN), 1(3), 2009, 1-20.

Dicheva D., Dichev C. Ontological Support for Learning Content Management, Scientia Journal, Special Issue of Semantic Web for Educational Systems, 19(2), 2008.

Dicheva D., Dichev C.  Authors Support in the TM4L Environment, Intl. Journal “Information Technologies and Knowledge” Vol. 1/ 2007, 215-219.

Dicheva, D. & Dichev, C. (2006) TM4L: Creating and Browsing Educational Topic Maps, British Journal of Educational Technology - BJET, 37(3), 391-404.

Dicheva, D., Dichev, C. (2004). A Framework for Concept-Based Digital Course Libraries, Journal of Interactive Learning Research – JIRL, Special issue on Computational Intelligence In Web-Based Education, A.V. Vasilakos, V. Devedzic, Kinshuk (Eds), 15(4), 2004, 347-364.

Dichev C., Dicheva D., & Aroyo L. (2004). Using Topic Maps for Web-based Education, Int. J. of Advanced Technology for Learning, Vol. 1, No 1, 2004, 1-7.

Paggio R., Agre G., Dichev C., Umann G., Rozman T., Batachia L., Stocchero M. A cost-effective programmable environment for developing environmental decision support systems, Environmental Modelling & Software Journal, 14 (5), 1999, pp. 367-382.

Dichev C., Contexts as communicating theories.  AI Communications - The European Journal on Artificial Intelligence, 10(3), 1997, pp. 185-201.

Dichev C., Knowledge bases as compound theories. Irish Journal of Psychology, 14(3), 1994, pp. 499-501.

Markov Z., D. Dochev, C. Dichev, G. Agre Geometric modeling with Prolog (in Bulgarian). Journal of Automation, Computers and Computer Systems, 4, 1987, pp. 17-24.

Agre G., C. Dichev, D. Dochev, Z. Markov Implementation and use of PROLOG for personal computers (in Russian). Journal of Engineering Cybernetics, 1, Moscow, 1986, pp. 94-99.

Sgurev, V., D. Dochev, C. Dichev,  G. Agre, Z. Markov An approach to building technical diagnostic expert systems. Computers and Artificial Intelligence, Bratislava, 5, 1985, pp.103-116.

Dichev  C.  Computer applications  for solving problems based on a logical computation. Annual of  VPI,  volume  I (B),1985, pp. 17-28.

Sgurev, V., D. Dochev, Z. Markov, C. Dichev, G. Agre, Problems in building  knowledge acquisition facilities for expert systems.  Problems  of  Engineering  Cybernetics  and  Robotics, Sofia, BAS, No 27, 1985, pp. 20-30.

Dichev C. Data representation for calculating truth values of logical formulae on finite models (in Russian): Theoretical Issues of Designing Computer Systems, 1, Academy of Sciences of USSR, Kiev, 1980, pp. 88-96.

Conference Articles and Book Chapters

 Dichev C., Dicheva D., Irwin K. (2019) Towards Activity-Centered Gamification Design. In Proceedings of the 2019 IEEE International Conference on Teaching, Assessment, and Learning for Engineering (TALE), Yogyakarta, Indonesia.

Cassel, L., Dicheva, D., Irwin, K., Dichev, C., & Guy, B. (2019) Student Motivation and Engagement in STEM Courses: Exploring the Potential Impact of Gamification. 24th Annual Conference on Innovation and Technology in Computer Science Education (ITiCSE 2019), Aberdeen, UK, July 15-17, 2019.

Dicheva, D., Irwin, K., & Dichev, C. (2019) The Role of Activity Motivators and Demotivators In Gamifying Learning. Proceedings of the XIV International Conference on Modern (e-) Learning, July 01-14, 2019, Varna, Bulgaria

Dicheva, D., Irwin, K., & Dichev, C. (2019) OneUp: Engaging Students in a Gamified Data Structures Course. SIGCSE’19: Proceedings of the 50th ACM Technical Symposium on Computing Science Education, Minneapolis, Minnesota, USA, February 2019 (SIGCSE '19), 386-392

Dicheva, D., Irwin, K., Dichev, C., Guy, B., & Cassel, L (2019) Online Interactive Learning Platforms in STEM Education: A Study of Motivation and Engagement. NSF Showcase at the 50th ACM Technical Symposium on Computing Science Education (SIGCSE’19), Minneapolis, Minnesota, USA, February 2019, p. 5.

Dicheva, D., Dichev, C., Irwin, K., Jones, E., Cassel, L., & Clarke, P.J. (2019) Can Game Elements Make Computer Science Courses More Attractive? SIGCSE’19: Proceedings of the 50th ACM Technical Symposium on Computing Science Education (SIGCSE'19), Minneapolis, Minnesota, USA, February 2019, p. 1245 (BOF).

Dicheva, D., Irwin, K., & Dichev, C. (2018) Gamifying with OneUp: For Learning, Grades or Fun? Springer International Publishing, M. Allegra at al. (Eds): Games and Learning Alliance - GALA 2018, LNCS

Dicheva, D., Irwin, K., Dichev, C., Tao, X., Jones, E., & Cassel, L. (2019) Gamifying STEM Courses for Motivating and Engaging Students, HBCU-UP/CREST PI/PD Meeting, February 20-22, 2019, Washingthon, DC (poster).

Dicheva, D., Irwin, K., and Dichev, C. (2018) Motivational Factors in Educational Gamification. 18th IEEE International Conference on Advanced Learning Technologies (ICALT 2018), July 9th-13th, 2018, Mumbai, India, 408 – 410. DOI: 10.1109/ICALT.2018.00102.

Dichev, C., Dicheva, D., Irwin, K. (2018) Gamification Driven Learning Analytics. 13th International Conference on e-Learning, 5 - 6th July 2018, Cape Town, South Africa, pp. 70-76.

Lillian Cassel, Don Goelman, Paula Matuszek, Mary Angela Papalaskari, Michael Posner, Thomas Way, Darina Dicheva and Christo Dichev (2018) Lessons Learned from Developing Advanced Topics for Broad Use, 23rd Annual Conference on Innovation and Technology in Computer Science Education (ITiCSE 2018), Larnaca, Cyprus, 2-4 July 2018.

Dicheva, D., Dichev, C., Jones, E., Clarke, P. and Cassel, L. (2018) Using Gamification Strategies to Motivate and Engage Students in Computer Science Courses, In Proceedings of SIGCSE’18, Baltimore, MD, USA, February 2018 (SIGCSE '18) (BOF).

Goelman, D., Cassel L., Posner, M., Dichev, C., and Dicheva, D., (2018) Designing an Introductory Course in Data Science: Topics and Pedagogy, In Proceedings of SIGCSE’18, Baltimore, MD, USA, February 2018 (SIGCSE '18) (BOF).

Posner, M., Dichev, C., Dicheva, D., Cassel L., and Goelman, D. (2018) 1 Grant + 2 Institutions + 3 Course Variations = Data Science 4 All. In Proceedings of SIGCSE’18, Baltimore, MD, USA, February 2018 (SIGCSE '18).

Dicheva, D., Irwin, K., Dichev, C., Tao, X., Jones, E. (2018) Gamifying STEM Courses for Motivating and Engaging Students, 2018 Symposium on Computing at Minority Institutions (ADMI 2018), April 5-8, 2018, New Orleans, Louisiana.

Dicheva, D., Irwin, K., and Dichev, C. (2017) OneUp Learning: A Course Gamification Platform, Springer International Publishing, J. Dias at al. (Eds): Games and Learning Alliance - GALA 2017, LNCS 10653, 148-158.

Cassel, L., Goelman, D., Posner, M., Dicheva, D., and Dichev, C. (2017) Data Science for All: A Tale of Two Cities, 22nd Annual Conference on Innovation and Technology in Computer Science Education (ITiCSE 2017), Bologna, Italy, 3-5 July 2017, 382- 382.

Dichev, C., Dicheva, D. (2017) Towards Data Science Literacy. International Conference on Computational Science (ICCS), 12-14 June, 2017, Zürich, Switzerland, 2151-2160.

Irwin, K., Dicheva, D., and Dichev, C. (2017) Open Extensible System for Dynamic Problem Creation for Computer Science, SIGCSE ‘17: Proceedings of the 48th ACM Technical Symposium on Computing Science Education, Seattle, Washington, March, 7-11, 2017 (poster).

Cassel, L.N., Posner, M., Dicheva, D., Goelman, D., Topi, H., Dichev, C. (2017) Advancing Data Science for Students of All Majors, SIGCSE ‘17: Proceedings of the 48th ACM Technical Symposium on Computing Science Education, 722-722, Seattle, Washington, March, 7-11, 2017 (BoF abstract).

Cassel, L.N., Dicheva, D., Dichev, C., Goelman, D., and Posner, M. (2016) Artificial Intelligence in Data Science. In (Dichev and Agre, Eds.) Artificial Intelligence: Methodology, Systems, Applications, Springer LNAI, Vol. 9883.

Nikolova, I., Dicheva, D., Agre, G., Angelov, Z., Dichev, C., Angelova, G., and Madzharov, D. (2016) Exploring the Use of Resources in the Educational Site Ucha.se. In (Dichev and Agre, Eds.) Artificial Intelligence: Methodology, Systems, Applications, Springer LNAI, Vol. 9883.

Dicheva, D., Hodge, A., Dichev, C. & Irwin, K. (2016). On the Design of an Educational Game for a Data Structures Course. In Proceedings of the 2016 IEEE International Conference on Teaching, Assessment, and Learning for Engineering (TALE), Bangkok, Thailand, DOI: 10.1109/TALE.2016.7851763.

Dicheva, D. & Dichev, C. (2016). An Active Learning Model Employing Flipped Learning and Gamification Strategies. In Proceedings of the First Int. Workshop on Intelligent Mentoring Systems (IMS 2016)@ ITS 2016,Zagreb, Croatia, 7-10 June, 2016.

Alvarado-Beltran, A., Vemuri,R., Perry, J., Dicheva, D., Irwin, K., & Dichev, C. (2016). Instructor Support for Gamifying STEM Courses. In Proceedings of 8th Annual International Conference on Education and New Learning Technologies (EDULearn),Barcelona, Spain, July 4th - 6th, 2016.

Nikolova, I., Dicheva, D., Agre, G., Angelov, Z., Angelova, G., Dichev, C., and Madzharov, D. (2016) Emerging Applications of Educational Data Mining in Bulgaria: The Case of UCHA.SE, Springer Studies in Computational Intelligence, 2016.

Cassel, L.N., Dicheva, D., Dichev, C., Goelman, D., and Posner, M. (2016) Data Science for All: An Introductory Course for Non-Majors. In 2016 SIGCSE ‘16: Proceedings of the 47th ACM Technical Symposium on Computing Science Education, 691-691 (BOF abstract).

Dichev, C., Dicheva, D., Cassel, L., Goelman, D., Posner, M. (2016) Preparing All Students for the Data-driven World, In ADMI 2016: Proceedings of the 2016 Symposium on Computing at Minority Institutions, March 31-April 3, 2016, Winston-Salem, NC.

Dicheva, D. & Dichev, C. (2015). Gamification in Education: Where Are We in 2015?. In Proceedings of E-Learn: World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education 2015 (pp. 1276-1284). Chesapeake, VA: Association for the Advancement of Computing in Education (AACE).

Dicheva, D. & Dichev, C. (2015). CS/IT OER: Availability, Discoverability and Use. In SIGITE '15 Proceedings of the 16^th Annual Conference on Information Technology Education, 133-138.

Dicheva D., Dichev C. 2014. Finding Open Educational Resources in Computing. 14th ICALT Conf., Athens, Greece.

Dicheva, D., Irwin, K. Dichev, C., Talasila, S. (2014) A Course Gamification Platform Supporting Student Motivation and Engagement, IEEE ICWOAL'14, Dubai, UAE, 25- 27 November 2014, pp. 1-5.

Dicheva, D., Dichev, C. (2013) Leveraging Domain Specificity to Improve Findability in OER Repositories, 17th Int. Conf. on Theory and Practice of Digital Libraries, September 22-26, 2013, Valetta, Malta.

Dichev, C., Dicheva, D. (2013) Support for Independent Learning in Evolving Computer Science Disciplines, 3rd World Congress on Information and Communication Technologies, Hanoi, Vietnam, December 15-18, 2013, pp. 204-209.

Dichev C., Dicheva D (2012) A Domain Specific Open Educational Repository, In: Proceedings of the Third Annual International Conference on Computer Science Education: Innovation and Technology, CSEIT, 2012, December, Singapore.

Dichev C., Dicheva D. (2012) Is It Time to Change the OER Repositories Role? In Proceedings of the 12th ACM/IEEE-CS Joint Conference on Digital Libraries - JCDL‘12, Washington DC, pp. 31-34.

Dichev C., Dicheva D. (2012) Open Educational Resources in Computer Science Teaching, In Proceedings of the ACM SIGSE 2012, Raleigh, NC, pp. 619-624.

Dicheva D., Dichev C. (2011) Can Collective Use Help for Searching?, In: Proceedings of the IEEE 2011 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery, 10/10-10/12, 2011, Beijing, China, 2011, 24-31.

Dichev C., Bhattarai B., Clonch C., Dicheva D (2011) Towards Better Discoverability and Use of Open Content. In: Software, Services and Semantic Technologies, Springer, AICS 101, 195-203.

Johnsen L., Dicheva D., Dichev C. (2011) Visualizing and Presenting Story Maps in TM4Book. In: Software, Services and Semantic Technologies, Springer, AICS 101, 53-58.

Dicheva D., Dichev C., Damova M. (2011) Ontological Support for Creative Writing. The 24th International FLAIRS Conference, Palm Beach, FL, May 18-20, 2011, 576-578.

Dicheva D., Dichev C, Drayton R. (2010) Search and Exploration in LinkedCourse. The 23rd International FLAIRS Conference, Daytona Beach, FL, May 18-22, 2010.

Dicheva D., Dichev C. (2010) Finding Resources and Collaborators within Digital Collections, In Proceedings of the IEEE/ACM International Conference on Web Intelligence, 08/31-09/03, 2010, Toronto, Canada, 2010.

Dicheva, D., Dichev, C. (2009) Authoring and Exploring Learning Content: Share Content by Sharing Concepts, In Dicheva, D., Mizoguchi, R. Greer, J.  (Eds.) “Semantic Web Technologies for e-Learning”, IOS Press, The Netherlands, 24-43. 

Zhu, Y., Dicheva, D., Dichev, C., Moran, M. (2009). Connecting and Sharing Open-Content Learning Resources, International Conference on Software, Services and Semantic Technologies – S3T’09, Sofia, Bulgaria, October 28-29, 2009.

Irwin, K., Dicheva, D., Dichev, C. (2009). A Digital Repository Supporting Collaboration, International Conference on Software, Services and Semantic Technologies – S3T’09, Sofia, Bulgaria, October 28-29, 2009.

Dicheva, D., Dichev, C., Zhu, Yi (2009). Sharing Open-Content Learning Resources in Emerging Disciplines. Seventh Int’l Workshop on Ontologies and Social Semantic Web for E-Learning, in conjunction with Int. Conf. on AI in Education – AIED’09, Brighton, UK, July 6-10, 2009, 23-30.

Xu J., Dichev C., Esterline A., Dicheva D., Zhang J. (2009) On the effectiveness of collaborative tagging systems for describing resources, Proc. World Congress on Computer Science and Information Engineering, (CSIE), Los Angeles/Anaheim, US, 2009.

Johnsen, L., Dicheva, D. (2008). From Connexions Content to Content Connexions: Organizing Open Learning Resources with Topic Maps and XSLT, Fourth Int’l Conference on Topic Maps Research and Applications – TMRA’08, Leipzig, Germany, October 15-17, 2008.

Dichev C., Dicheva D., Ditcheva B., Moran M. (2008)Translation between RDF and Topic Maps: Divide and Translate, Balisage: The Markup Conference, August 12-15, Montreal, 2008.

Dicheva, D., Dichev, C., and Valtchev, P. (2008) Integrating Metadata Harvesting with Semantic Search, IEEE/WIC/ACM Int’l Conference on Web Intelligence and Intelligent Agent Technology, Sydney, Dec 9-12, 2008.

Dicheva D., Dichev C., Brown C., Veetil D., Thomas W. Easy Creation Of Semantics-Enhanced Digital Artwork Collections, Int. Conf. on Intelligent Information and Engineering Systems,  July,  1-4, 2008, Varna, Bulgaria 92-98.

Dichev C. , Dicheva D., Fisher, J. (2007). Identity: How to Name It, How to Find It, Workshop on I3: Identity, Identifiers, Identification, 16th Int. Conference on World Wide Web, WWW 2007, May 8-12, 2007, Banff, Alberta, Canada.

Dicheva D., Dichev C., (2007). Helping Courseware Authors to Build Ontologies: the Case of TM4L, 13th Int. Conference on Artificial Intelligence in Education, AI-ED 2007, July 9-13, 2007, LA, California (accepted).

Wang, D., Dicheva, D., Dichev, C., Akouala, J. (2007) Retrieving Information in Topic Maps: the Case of TM4L, 45th ACM Southeast Conference, Winston-Salem, NC, March 2007, 88-93.

Dichev C., Dicheva D. (2006). View-Based Semantic Search and Browsing, 2006 IEEE/ACM International Conf. on Web Intelligence (WI’06), Hong-Kong, December, 2006.

Dichev C., Dicheva D. (2006). Context-based Search in Topic-centered Digital Repositories, 3rd International Semantic Web User Interaction Workshop (SWUI06), collocated with ISWC’06, GA.

Dichev C. , Dicheva D., Fisher, J. (2006). Contextual Retrieval of Digital Content in Topic Maps, Workshop on Modeling and Retrieval of Context, 13th National Conference on Artificial Intelligence, AAAI 2006, July 16-18, 2006, Boston, MA, 16-22.

Dichev C., Dicheva D. (2006). Using Contexts to Personalize Educational Topic Maps, (V. Wade, H. Ashman, and B. Smith, Eds) Adaptive Hypermedia and Adaptive Web-Based Systems, Springer-Verlag, Berlin Heidelberg, 269-273.

Dicheva, D., Dichev, C. (2006). Confronting Some Ontology-building Problems in Educational Topic Map Authoring, Weibelzahl, S. & Cristea, A. (Eds), Proc. of the Workshop on Applications of Semantic Web in E-Learning (SW-EL@AH’06), in conjunction with AH2006, June 21-23, 2006, Dublin, Ireland, 55-64.

Dicheva, D., Dichev, C. (2006). Authors’ Support in the TM4L Environment, Int. Conf. on Modern e-Learning (MeL’06), July 1-5, 2006, Varna, Bulgaria, 129-134.

Dicheva D., C. Dichev, C. Wang, D. and Zhu Y. (2005) Editing and Exploring Topic Map-based E-Learning Repositories, In Proc of 9th IASTED Int. Conf.  Internet and Multimedia Systems and Applications, Honolulu, Hawaii, August 15-17, 2005, 139-144.

Dichev,C., Dicheva, D. Contexts as abstraction of grouping in Proceedings of The AAAI’05 International Workshop on Contexts and Ontologies: Theory, Practice and Applications, Pittsburgh, 2005, pp. 49-56.

Dichev C., Dicheva D. (2005). Contexts as Collection of Alternatives,  Workshop on Applications of Semantic Web in E-Learning (SW-EL@K-CAP’05), in conjunction with 3rd International Conference on Knowledge Capture, K-CAP’05, October 2, 2005, Banff, Canada, 53-58.

Dichev C., Dicheva D. (2005). Contexts in Educational Topic Maps. 12th International Conference on Artificial Intelligence in Education, AI-ED 2005, July 18-22, 2005, Amsterdam, The Netherlands, 789-791.

Dicheva D., Dichev C. (2005). Authoring Educational Topic Maps: Can We Make It Easier? 5th IEEE International Conference on Advanced Learning Technologies, ICALT 2005, July 5-8, 2005, Kaohsiung, Taiwan, 216-219.

Dicheva, D., Dichev, C., Wang. D. (2005). Visualizing Topic Maps For E-Learning, Workshop on Applications of Semantic Web in E-Learning (SW-EL@ICALT’05), in conjunction with 5th IEEE International Conference on Advanced Learning Technologies, ICALT 2005, July 5-8, 2005, Kaohsiung, Taiwan, 950-951.

Dicheva D., Dichev C. (2004). Educational Topic Maps, 3rd International Semantic Web Conference (ISWC’2004) Poster Abstracts, November 7-11, 2004, Hiroshima, Japan, pp. 19-20.

Dicheva D., Dichev C., Sun, Y., & Nao, S. (2004). Authoring Topic Maps-based Digital Course Libraries, Workshop on Applications of Semantic Web Technologies for Adaptive Educational Hypermedia (SW-EL@AH’04), in conjunction with AH 2004, August 23-26, 2004, Eindhoven, The Netherlands, pp. 331-337.

Dicheva D., Dichev C., Sun, Y., & Nao, S. (2004). A Topic Map Authoring Tool for E-Learning, Proceedings of ADMI’ 2004, May 20-22, 2004, Orlando, Florida, pp. 62-67.

Dicheva D., Dichev C. (2004). Creating Topic Maps for E-Learning, International Conference on Information and Communication Technologies and Programming (ICTP’04), Varna, Bulgaria, June 24-26, 2004, pp. 104-112.

Dichev, C., Dicheva, D. (2003). Reusable and Shareable Digital Course Libraries. Fifth International Workshop on Symbolic and Numeric Algorithms for Scientific Computing  (SYNASC03), October 1 - 4, 2003, Timisoara, Romania, pp. 27-38.

Dicheva, D., Dichev, C. (2003). Building and Using Open Web-Based Course Libraries. Twelfth International Turkish Symposium on Artificial Intelligence and Neural Networks  (TAINN 2003), Canakkale, Turkey, July 02 - 04, 2003, 349-357.

Dichev,C., Dicheva, D., Aroyo, L. (2003). Using Topic Maps for E-Learning. Computers and Advanced Technology in Education (CATE 2003), June 30 - July 2, 2003, Rhodes, Greece, pp. 26-31.

Dichev C.. (2002). Tracking the  ‘interesting’. Proc. of , TAINN'02, June 20-22, 2002, Istanbul, Turkey, pp. 161-170. 

 Dichev Ch., Dicheva D. (2002). "Interesting" as a Category in Information Retrieval. International Conference on Artificial Intelligence (IC-AI'02), Las Vegas, USA, June 24-27, 2002, pp. 833-839.

Dichev C., Exploiting Informal Communities in Information Retrieval. Knowledge-Based Software Engineering, IOS Press, pp 195-204, 2002.

Dichev C.,  Do What We Do to Find What You Want. Artificial Intelligence: Methodology, Systems, Applications, Springer-Verlag, 2002, pp. 253-263.

Dichev C., Dicheva D. (2002). Interesting as a category in information retrieval. Proc. of  The 2002 International Conference on Artificial Intelligence (IC-AI'02) June 24-27, 2002 (IC'2001), Las Vegas, Nevada, 2002, pp. 833-839.

Dichev C., A Framework for Context-Driven Web Resource Discovery, Lecture Notes in Artificial Intelligence  2116, Springer-Verlag , 2001, pp. 433 – 438.

Dichev Ch, Dicheva D., Deriving Context Specific Information on the Web, Proc. of  The WebNet 2001, Orlando, 2001, pp. 296-301.

Dichev Ch, Dicheva D., Radenski A.  A Framework for Dynamic Topic Clustering on the Web In: Proc. of  The 2001 International Conference on Internet Computing (IC'2001), Las Vegas, Nevada, 2001,  pp. 885- 993.

Dichev C., Madarov, T. Propositional Contexts. Artificial Intelligence: Methodology, Systems, Applications, Springer-Verlag, 2000, pp. 101-110.

Dichev C. Reasoning Systems: Importing Contexts In: Proc. of  TAINN 2000, June 2000, Izmir, Turkey.

Dichev C. Contextual reasoning and importing contexts. In: Proc. of the AAAI-99 Workshop on Reasoning in Context for AI Applications, Orlando, 1999.

Agre G., Dichev C., Markov Z. Task Editor - a knowledge acquisition tool for task analysis. In: Ueno H., Navrat P. (Eds.) Proceedings of the Third Joint Conference on Knowledge Based Software Engineering, Smolenice, Slovakia, IOS Press, 1998, pp. 191-195.

Dichev C. Multi-context systems and knowledge integration. In: Ueno H., Navrat P. (Eds.)  Knowledge Based Software Engineering, Smolenice, Slovakia, IOS Press, 1998, pp. 200-207.

Paggio R., Agre G., Dichev C., Umann G., Rozman T., Dochev D. TRACE - a development platform for environmental decision support systems. In: Proceedings of ECAI WS Binding Environmental Sciences and Artificial Intelligence, Brighton, 1997, pp.145-160.

Dichev C. Generating contexts in a multi-context setting. In: Ramsay, A. (Ed.), Artificial Intelligence: Methodology, Systems, Applications, IOS Press, 1996, pp. 51-60.

Dichev C. A framework of contextual reasoning. In: Proceedings of the Fifth Turkish Symposium on Artificial Intelligence and Neural Networks, Istanbul, Turkey, 1995, pp. 207-218.

Dichev C. Knowledge representation with W-Prolog, In: Proceedings of Eleventh Conference on Applications of Artificial Intelligence, AAI-XI, Orlando, FL, 1993, pp. 316-327.

Dichev C. Distributed knowledge and data processing. In: Proceedings of Forth International Conference on Cognitive and Computer Science, Montreal, Canada, 1993, pp. 272-282.

Dichev C. Theory relations and context dependencies. In: Proceedings of the Sixth Conference on Artificial Intelligence, Melbourne, Australia, World Scientific Publishing, 1993, pp. 266-272.

Markov, Z., Dichev, C. Distributed logic programming. In: Proc. of 3rd UK Conference on Logic Programming, Edinburgh, Springer-Verlag, 1991, pp. 36-56.

Markov, Z., Sinapova, L. Dichev, C.  Default reasoning in a network environment.  Proceedings of ECAI-90, August 6-10, 1990, Stockholm, Sweden.

Markov, Z., Dichev, C., Sinapova, L. The Net-Clause Language - a tool for describing network models.  In the Proceedings of the Eighth Canadian Conference on AI,  Otawa,  23-25  May,  1990, pp.33-39.

Dichev, C., Agre G., Dochev D., Markov Z. Trigonometry tutor. Proceedings of Forth International PEG Conference: Learning with Artificial Intelligence, Upsala, Sweden, 1989.

Sgurev, V., C. Dichev, Z. Markov, An Overview of Prolog Debugging Tools. Proceedings of the Second International Seminar: Theory and Applications of AI: "II'89", Sozopol,  May 29 - June 2, Sofia, BAS, 1989, pp. 54-62.

Dichev C.,  D. Dochev, Z. Markov, G. Agre, An approach for building and using a  trigonometric  knowledge  base  (in  Bulgarian). Proceedings  of  the  Second Conference PERSCOMP'87, April 21-24,  1987, Sofia, volume 2, pp. 200 -204.

Sgurev, V., D.  Dochev,  Z.  Markov,  C.  Dichev,  G.  Agre,  Some aspects  of  building  intelligent  CAD  systems  (in Bulgarian). Proceedings of the Second Conference  PERSCOMP'87,  April  21-24, 1987, Sofia, volume 2, pp. 181-185.

Sgurev V., G. Agre, Z. Markov, C. Dichev, D. Dochev, Applying Prolog for robot planning. Proceedings of the Third International Conference ROBCON'3, Sofia, BAS, 1986, pp. 177-187.

Dichev C. Logic programming with worlds. In: Du Boulay, B., Sgurev, V. (Eds). Artificial Intelligence: Methodology, Systems, Applications, North-Holland, 1992, pp. 57-66.

Markov Z.,  D.  Dochev,  Ch Dichev,  G.  Agre,  Prolog and computer graphics (in Bulgarian).  Proceedings  of  the  First  Conference PERSCOMP'85, Sofia, 1985, pp. 139-147.

Sgurev V., C. Dichev, D. Dochev, Z. Markov,  G.  Agre, An expert system  for  personal computer diagnostic.  Proceedings of the First Conference PRSCOMP'85, volume II, Sofia,  1985, pp. 262-271.

Sgurev V., D. Dochev, C. Dichev, Applying artificial intelligence methods   for  automation  of  engineering  processes. Emerging  Scientific Problems, CSI, BAS, Sofia, 1985, 47 p.

Dichev C., On an knowledge representation formalism, Mathematics and Mathematical Education,  Sofia,  BAS,  1982,  pp. 363-368.

Dichev C., Question answering  system  "FOLCOM". Proceedings  of  the  Conference  "10  Years University of Shumen", October, 20-22, 1981, Shumen, 1982, pp.  222-229.

Dichev  C.,  An approach for building a question-answering system (in Russian),  Mathematical Methods for Computer System  Development,  Institute  of  Cybernetics,  Academy  of Sciences of USSR, Kiev, 1980, pp. 64-68.

Dichev  C.,  Calculating  efficiently  logical  formula values in knowledge representation systems (in Russian).    Proceedings  of the  Forth  Conference  of Bulgarian Postgraduate Students (July, 1979), Sofia University, 1980, pp. 837- 842.

Dichev  C., An algorithm for identifying true closed logical formulae on finite models    (in  Russian),  Theoretical  Issues  of  Designing Computer Systems,  Institute of Cybernetics, Academy of Sciences of USSR, Kiev, 1979, pp. 33-41.

Hristov  H,  Dichev C., An algorithm for calculating double roots of transcendental equations.  Proceedings  of  the National Conference on FORTRAN, Sofia, 1975, pp. 106-110.

Books

Dochev D., C. Dichev, Z. Markov, G. Agre, Programming in Prolog - Bases and Applications. Sofia, " Nauka I Izkustvo", 1989, 248 p. (in Bulgarian).

Exploring Learners Experience of Gamified Practicing: For Learning or for Fun?

OneUp: Supporting Practical and Experimental Gamification of Learning

Gamifying education: what is known, what is believed and what remains uncertain: a critical review

Gamification in Education: A Systematic Mapping Study

Funded Projects

2018-2021   NSF DUE 1821189 “Collaborative Research: Online Interactive Learning Platforms in  STEM Education: A Study of Motivation and Engagement” (CoPI), $400,177

2016-2019   NSF HBCU-UP - 1623236 (2016-2019) "TIP: Increasing Student Motivation and  Engagement in STEM Courses through Gamification" (CoPI), $399,742.

2014-2017   NSF IUSE Collaborative Research: Data Computing for All: Developing an Introductory Data Science Course in Flipped Format (PI) (09/01/2014-08/31/2017, $139,943) (in  collaboration with Villanova University).

2012-2013   WSSU RIP “Efficient Discovery and Sustainable Open Educational Resources"  (PI), $9,840.

2011-2012   NSF DUE-1044224 (2011-2012)  NSDL: Social Bookmarking for Digital Libraries:  Improving Resource Sharing and Discoverability (CoPI).

2007-2008   WSSU RIP “Topic Maps-Based Information Management”  (PI), $10,000.

2005-2006   NSF DUE-0333069 (2005-2006)  CCLI-EMD: Topic Maps-based Courseware to Support Undergraduate Computer Science Courses (PI).

2004-2005   NSF project “NSDL: Towards Reusable and Shareable courseware: Topic Maps-Based Digital Libraries." (CoPI)

1997-2000   European INCO-COPERNICUS NETWORK PROJECT No134-014:"EMG-NETWORK“  (Scientific Coordinator).

1996-1998   European INCO-COPERNICUS Project No 96-0138 -"TRACE (Transferring  Charade Technology in Central and Eastern Europe)"  (Technical Director).

1996-1998   French-Bulgarian CNR PECO Project - “Integrated reasoning architectures” (PI).

1991-1993   EU TEMPUS Joint European Project 1497-91 "Transfer of knowledge-based systems skills to Bulgaria" (CoPI).

1995-1998   Bulgarian NSF Project U-521/95 "Methods for dynamic structuring of logic programs" (CoPI).

1991-1992   Bulgarian Academy of Sciences Project "A program environment for Net-Clause language" (CoPI).

1990-1991   Bulgarian Academy of Sciences Project "Methods and tools for building AI systems" (PI).

1990-1991   Bulgarian Science Foundation Project “Knowledge representation methods for educational computing systems” (PI).

1988-1990   Bulgarian Academy of Sciences Project “An expert system for technical diagnostics”  (CoPI).

1988-1989   Bulgarian Science Foundation Project “Diagnostic expert systems for digital electronics”  (CoPI).

OneUp Learning: A Course Gamification Platform

TM4L - Topic Maps Editor for E-Learning (http://compsci.wssu.edu/iis/nsdl/index.html)

CSY Prolog - an original logic programming language for personal computers

Technical diagnostic expert systems (DIGS)

TRACE - a development platform for environmental decision support systems

Trigonometry Tutor - an intelligent tutoring system for teaching high-school trigonometry

UCD Prolog - an object-oriented extension to Prolog for distributed knowledge and data processing

Prolog Tracer - a data tracing system for Prolog novices

Professional Services and Honors

PC chair of The 17th International Conference on Artificial Intelligence: Methodology, Systems, Applications AIMSA 2016.

Chair of the PC of the International Conference on Software, Services and Semantic Technologies (S3T 2010), Varna, Bulgaria, September 11-12, 2010.

Invited Plenary Speaker at The 5th International Conference on Symbolic and Numeric Algorithms For Scientific Computing, SYNASC-2003, Oct. 2003.

Invited Speaker at the Second International Seminar: Theory and Applications of AI: "II'89", Sozopol, May, 1989.

Steering Committee:

Joint Conferences on Knowledge-Based Software Engineering ( JCKBSE'2014  JCKBSE'2012,  JCKBSE'2010,  JCKBSE'2008,  JCKBSE'2006,  JCKBSE'2004,  JCKBSE'2000,  JCKBSE'1998,  JCKBSE'1996 ).

Editorship:

Journal of Cybernetics and Information Technologies (CIT).

Open Access Information Technology Journal (IJOIT)

Journal of Information Open Access Journal 

Undergraduate Courses

Artificial Intelligence, Department of Computer Science, Winston-Salem State University

Commercial programming, Department of Computer Science, Winston-Salem State University

Computer Architecture, Department of Computer Science, Winston-Salem State University

Computer Languages, University of Shumen, Dept. of Mathematics and Computer Science.

Data Structures, University of Shumen, Dept. of Mathematics and Computer Science.

Design and Analysis of Algorithms, Department of Computer Science, North Carolina A&T State University, Winston-Salem State University

Fundamentals of Internet Systems, Department of Computer Science, Winston-Salem State University

Introduction to Programming, University of Shumen, Dept. of Mathematics and Computer Science.

Introduction to Data Science, Department of Computer Science, Winston-Salem State University.

Numerical Analysis, University of Shumen, Dept. of Mathematics and Computer Science.

Operating Systems, Department of Computer Science, Winston-Salem State University

Operations Research, University of Shumen, Dept. of Mathematics and Computer Science.

Principles of Programming Languages, Department of Computer Science, North Carolina A&T State University, Winston-Salem State University.

The Computer and its Us, Department of Computer Science, Winston-Salem State University

Web-based database management Systems, Department of Computer Science, Winston-Salem State University

Web Programming, Department of Computer Science, Winston-Salem State University

Graduate Courses

Advanced Operating Systems, Department of Computer Science, WSSU, Department of Computer Science, North Carolina A&T State University

Artificial Intelligence, Technical University of Sofia, Department of AI and Intelligent Systems

Artificial Intelligence Methods, Department of Computer Science, WSSU

Design & Analysis of Algorithms Methods, Department of Computer Science, WSSU University of Sofia,

Electronic Commerce Technology, Department of Computer Science, WSSU.

Formal Methods in Artificial Intelligence, University of Sofia, Faculty of Mathematics and Informatics

Internet technology, Department of Computer Science, WSSU University of Sofia,

Logic Programming, University of Sofia, Faculty of Mathematics and Informatics

Principles of Artificial Intelligence, University of Sofia, Faculty of Mathematics and Informatics;

Member: Intelligent Information Systems Research Group

Music: I love music especially music from the 70's to 90's: Led Zeppelin, The Beatles, Rolling Stones, Jimmy Hendrix, Deep Purple, Pink Floyd, Nirvana, Fleetwood Mac. I'm also a fan of Tracy Chapman, Enya, R.E.M., Simon and Garfunkel, Titiyo, Gotye, Nelly Furtado. I do listen to plenty of other genres as well though. Classical music: Mozart,Bach,Beethoven,Handel,Vivaldi,Strauss,Grieg, Tchaikovsky, Bizet, Sen-Sans, Debussy. And I am not ashamed that I like some of the music produced by: Eminem, Lil Wayne, Flo Rida, MC Hammer, Nelly, Kanye West, Lady Gaga, Kesha.

Some of My Favorite Movies: Forrest Gump, One Flew Over The Cuckoo's Nest, Butch Cassidy and the Sundance Kid, The Sting, Cool Hand Luke, Breakfast at Tiffany's, Raising Arizona, The Graduate, Midnight Cowboy, The Matrix, Moulin Rouge, My Best Friend’s Wedding, The Professional, The Day of the Jackal, Chinatown.

Some of My Favorite Writers: Dostoevky, Tolstoy, Dickens, J. D. Salinger, Hemingway, Mark Twain, Issac Asimov, Vladimir Nabokov Atanas Dalchev, Nikolay Haytov, Bogomil Rainov, Ivan Vazov.

Some of My Favorite Artists: Van Gogh Manet, Monet, Renoir, Cézanne, Gauguin, Modigliani, Chagall, Rodin, Matiss.

Hobbies: Also, I like traveling to new places, hiking, biking and cooking by intuition.