R. Hulou, A. Napoli, and E. Nauer, Une mesure de similarité sémantique pour raisonner sur des documents, Langages et modèlesmodèles`modèlesà objets, pp.217-2302, 2004.

G. Antoniou and F. Van-harmelen, A Semantic Web Primer, 2004.

F. Baader, D. Calvanese, D. Mcguinness, D. Nardi, and P. Patel-schneider, The Description Logic Handbook, 2003.
DOI : 10.1017/CBO9780511711787

F. Baader and B. Sertkaya, Applying Formal Concept Analysis to Description Logics, Second International Conference on Formal Concept Analysis Lecture Notes in Artificial Intelligence 2961, pp.261-286, 2004.
DOI : 10.1007/978-3-540-24651-0_24

F. Baader, B. Sertkaya, and A. Turhan, Computing the Least Common Subsumer w.r.t. a Background Terminology, Proceedings of the 9th European Conference on Logics in Artificial Intelligence, pp.400-412, 2004.
DOI : 10.1007/978-3-540-30227-8_34

F. Baader, Computing the Least Common Subsumer in the Description Logic $\mathcal{EL}$ w.r.t. Terminological Cycles with Descriptive Semantics, Proceedings of the 11th International Conference on Conceptual Structures, ICCS 2003, pp.117-130, 2003.
DOI : 10.1007/978-3-540-45091-7_8

M. Chein and M. Mugnier, Conceptual graphs: Fundamental notions. Revue d'intelligence artificielle, pp.365-406, 1992.

S. Handschuh and S. Staab, Annotation for the Semantic Web, Frontiers in Artificial Intelligence and Applications, vol.96, 2003.

J. Heflin, J. A. Hendler, and S. Luke, SHOE: A blueprint for the semantic web, Spinning the Semantic Web, pp.29-63, 2003.

P. Langley, Elements of Machine Learning, 1996.

J. Lieber and A. Napoli, Correct and Complete Retrieval for Case-Based Problem- Solving, Proceedings of the 13th European Conference on Artificial Intelligence (ECAI'98), pp.68-72, 1998.

A. Maedche, S. Staab, N. Stojanovic, R. Studer, and Y. Sure, SEmantic portAL: the SEAL Approach, Spinning the Semantic Web, pp.317-359, 2003.

M. L. Mugnier, On generalization/specialization for conceptual graphs, Journal of Experimental & Theoretical Artificial Intelligence, vol.6, issue.3, pp.325-344, 1995.
DOI : 10.1137/0206053

A. Napoli, C. Laurenço, and R. Ducournau, An object-based representation system for organic synthesis planning, International Journal of Human-Computer Studies, vol.41, issue.1-2, pp.5-32, 1994.
DOI : 10.1006/ijhc.1994.1051

V. Uren, P. Cimiano, J. Iria, S. Handschuh, M. Vargas-vera et al., Semantic annotation for knowledge management: Requirements and a survey of the state of the art, Web Semantics: Science, Services and Agents on the World Wide Web, vol.4, issue.1, 2005.
DOI : 10.1016/j.websem.2005.10.002