Lamboudis, D., & Economides, A. A..  (2004).  Adaptive exploration of user knowledge in computer based testing. WSEAS Transactions on Communications, 3 (1), 322-327.

Lamboudis, D., Economides, A. A., & Papastergiou, A..  (2003).  Adaptive exploration of assessment results under uncertainty. In . Proceedings 3rd IEEE ternational Conference on Advanced Learning Technologies, ICALT '03, 460-461, 2003.