A. Kumar, и A. Maries. Proceeding of the 2007 conference on Artificial Intelligence in Education, стр. 596--598. Amsterdam, The Netherlands, The Netherlands, IOS Press, (2007)
D. Albert. Manuscript of a talk held at the 28th Annual Meeting of the Society for Mathematical Psychology, University of California, Irvine, August, (1995)
A. Haghighi, и D. Klein. Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing, стр. 1152--1161. Singapore, Association for Computational Linguistics, (августа 2009)
V. Garcia-Barrios, G. Beham, и B. Kump. 6th International Conference and Workshops on Community Based Environments: OpenACS and .LRN Conference 2008, (2008)
M. Villano. ITS '92: Proceedings of the Second International Conference on Intelligent Tutoring Systems, стр. 491--498. London, UK, Springer-Verlag, (1992)
D. Albert, и L. Stefanutti. Proceedings of the International Conference on Computers in Education ICCE 03, Hong Kong, Asia-Pacific Chapter of the Association for the Advancement of Computers in Education, (декабря 2003)
D. Albert. Psychologische Forschung in Österreich, стр. 25--29. Klagenfurt, Austria, Universitätsverlag Carinthia, (1994)Bericht über die 1. Wissenschaftliche Tagung der Österreichischen Gesellschaft für Psychologie.
S. Greene, и P. Resnik. Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics, стр. 503--511. Boulder, Colorado, Association for Computational Linguistics, (июня 2009)
A. Gangemi, C. Catenacci, M. Ciaramita, и J. Lehmann. The Semantic Web: Research and Applications, том 4011 из Lecture Notes in Computer Science, Springer, Heidelberg, DE, (2006)
J. Poutrè, и J. Leeuwen. WG '87: Proceedings of the International Workshop on Graph-Theoretic Concepts in Computer Science, стр. 106--120. London, UK, Springer-Verlag, (1988)