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F. Kokkoras, D. Sampson, I. Vlahavas, “CG-PerLS: Conceptual Graphs for Personalized Learning Systems”, Proc. 8th Panhellenic Conference on Informatics, Livani Publishing Organization, Vol. 2, pp. 531-540, Nicosia, Cyprus, 2001.
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F. Kokkoras, D. Sampson, I. Vlahavas, “A Knowledge Based Approach on Educational Metadata Use”, 8th Panhellenic Conference on Informatics, PCI 2001. Nicosia, Cyprus, November 8-10, 2001, Revised Selected Papers, Y. Manolopoulos, S. Evripidou and A. K
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