J. Baget, RDF Entailment as a Graph Homomorphism, The Semantic Web -ISWC 2005 (Proc. of 4 th International Semantic Web Conference), 2005.
DOI : 10.1007/11574620_9

URL : https://hal.archives-ouvertes.fr/hal-00922476

J. Baget and M. Mugnier, The Complexity of Rules and Constraints, JAIR, vol.16, pp.425-465, 2002.
URL : https://hal.archives-ouvertes.fr/lirmm-00268460

O. Corby, R. Dieng, and C. Herbert, A Conceptual Graph Model for W3C Resource Description Framework, Proc. of ICCS'00, pp.468-482, 2000.
DOI : 10.1007/10722280_32

M. Chein and M. Mugnier, Types and Coreference in Simple Conceptual Graphs, Proc. ICCS'04, pp.303-318, 2004.

M. Chein, M. Mugnier, and G. Simonet, Nested Graphs: A Graphbased Knowledge Representation Model with FOL Semantics, Proc. of KR'98, pp.524-534, 1998.

H. Delugach, Charger User's Guide v3, 2005.

D. Mitchell, B. Selman, and H. Levesque, Hard and easy distributions of SAT problems, Proc. of the Tenth National Conference on Artificial Intelligence, pp.459-465, 1992.

M. Mugnier, Knowledge Representation and Reasonings Based on Graph Homomorphism, Proc. ICCS'00, volume 1867 of LNAI, pp.172-192, 2000.
DOI : 10.1007/10722280_12

B. M. Smith and S. A. Grant, Sparse constraint graphs and exceptionally hard problems, Proc. of the Fourteenth International Joint Conference on Artificial Intelligence, pp.646-654, 1995.