T. Hamann, G. Hübsch, и T. Springer. Distributed Applications and Interoperable Systems, том 5053 из Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2008)
K. Sousa, H. Mendonça, и J. Vanderdonckt. Task Models and Diagrams for User Interface Design, том 5963 из Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2010)
Y. Cui, и C. Penstein Rosé. Intelligent Tutoring Systems, том 5091 из Lecture Notes in Computer Science, глава 107, Springer-Verlag, Berlin/Heidelberg, (2008)
S. Gandhe, N. Whitman, D. Traum, и R. Artstein. Proceedings of the 6th IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems, Association for the Advancement of Artificial Intelligence (AAAI), (2009)
M. Blumendorf, G. Lehmann, и S. Albayrak. Proceedings of the 2nd ACM SIGCHI symposium on Engineering interactive computing systems, стр. 9--18. New York, NY, USA, ACM, (2010)