- Proceedings of the Tenth International Conference on Intelligent Tutoring Systems: Bridges to Learning, volume 6094 of Lecture Notes in Computer Science, page 105--114. Berlin, Heidelberg, Springer Berlin / Heidelberg, (2010)
- CoRR (2005)
- Encyclopedia of Artificial Intelligence, IGI Global, (2009)
- Encyclopedia of Portal Technologies and Applications, IGI Global, (2007)
- Journal of Computer Assisted Learning (2011)
- Commun. ACM 52(6):56-65 (2009)
- Neural Computation 11(7):1769-1796 (1999)
- Neural Computing and Applications 20(6):897-908 (2011)
- Intelligent Tutoring Systems, volume 3220 of Lecture Notes in Computer Science, page 886-888. Springer, (2004)
- Intelligent Tutoring Systems, volume 3220 of Lecture Notes in Computer Science, page 889-891. Springer, (2004)
- GECCO Companion, page 455-462. ACM, (2011)
- GECCO Companion, page 447-454. ACM, (2011)
- User Interfaces for All, volume 3196 of Lecture Notes in Computer Science, page 159-166. Springer, (2004)
- AH, volume 3137 of Lecture Notes in Computer Science, page 104-114. Springer, (2004)
- UMAP, volume 6787 of Lecture Notes in Computer Science, page 62-74. Springer, (2011)
- User Modeling, volume 2702 of Lecture Notes in Computer Science, page 337-341. Springer, (2003)
- OHS-7/SC-3/AH-3, volume 2266 of Lecture Notes in Computer Science, page 215-225. Springer, (2001)
- SETN, volume 2308 of Lecture Notes in Computer Science, page 191-202. Springer, (2002)
- Machine Learning and Its Applications, volume 2049 of Lecture Notes in Computer Science, page 300-307. Springer, (2001)
- User Modeling, volume 2109 of Lecture Notes in Computer Science, page 234-236. Springer, (2001)


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