1. Lecture Notes in Computer Science;E. Alepis,2006
2. Lecture Notes in Computer Science;E. Alfonseca,2003
3. Altman, D., Gore, S., Gardner, M., Pocock, S.: Statistical Guidelines for Contributors to Medical Journals. British Medical Journal 286, 1489–1493 (1983)
4. Anderson, J.R., Boyle, C.F., Yost, G.: The Geometry Tutor. In: 9th International Joint Confenrence on AI, pp. 1–7 (1985)
5. Ardissono, L., Gena, C., Torasso, P., Bellifemine, F., Chiarotto, A., Difino, A., Negro, B.: User Modeling and Recommendation Techniques for Personalized Electronic Program Guides. In: Ardissono, L., Kobsa, A., Maybury, M. (eds.) Personalization and user-adaptive interaction in digital tv, pp. 30–36. Kluwer Academic Publishers, Dordrecht (2004)