P. Ganguly, F. Rabhi, und P. Ray. CRPIT '02: Proceedings of the 2002 conference on Pattern languages of programs, Seite 59--61. Darlinghurst, Australia, Australia, Australian Computer Society, Inc., (2003)
R. Angelova, und G. Weikum. SIGIR '06: Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval, Seite 485--492. New York, NY, USA, ACM, (2006)
B. Wellner, A. McCallum, F. Peng, und M. Hay. AUAI '04: Proceedings of the 20th conference on Uncertainty in artificial intelligence, Seite 593--601. Arlington, Virginia, United States, AUAI Press, (2004)
M. Villano. ITS '92: Proceedings of the Second International Conference on Intelligent Tutoring Systems, Seite 491--498. London, UK, Springer-Verlag, (1992)
B. Steichen, S. Lawless, A. O'Connor, und V. Wade. HT '09: Proceedings of the 20th ACM conference on Hypertext and hypermedia, Seite 119--128. New York, NY, USA, ACM, (2009)