J. Baget and M. Mugnier, Extensions of Simple Conceptual Graphs: the Complexity of Rules and Constraints, Journal of Artificial Intelligence Research, vol.16, pp.425-465, 2002.
URL : https://hal.archives-ouvertes.fr/lirmm-00268460

J. Baget, D. Genest, and M. Mugnier, Knowledge Acquisition with a Pure Graph-Based Knowledge Representation Model ? Application to the SISYPHUS-I Case Study, Twelfth Workshop on Knowledge Acquisition, Modeling and Management, 1999.

J. Baget, Représenter des connaissances et raisonner avec des hypergraphes: de la projectionàprojection`projectionà la dérivation sous contraintes, 2001.

J. Baget, Simple Conceptual Graphs Revisited: Hypergraphs and Conjunctive Types for Efficient Projection Algorithms, Conceptual Structures for Knowledge Creation and Communication , 11th International Conference on Conceptual Structures Proceedings, volume 2746 of Lecture Notes in Artificial Intelligence, pp.229-242, 2003.
DOI : 10.1007/978-3-540-45091-7_16

URL : https://hal.archives-ouvertes.fr/hal-00906599

M. Chein and M. Mugnier, Conceptual Graphs: fundamental notions. Revue d, Intelligence Artificielle, vol.6, issue.4, pp.365-406, 1992.

S. Coulondre, ´. Salvat, and . Eric, Piece resolution: Towards larger perspectives, Mugnier and Chein, pp.179-193, 1998.
DOI : 10.1007/BFb0054914

D. Genest, ´. Salvat, and . Eric, A platform allowing typed nested graphs: How CoGITo became CoGITaNT, 1998.
DOI : 10.1007/BFb0054912

M. Mugnier and M. Chein, Représenter des connaissances et raisonner avec des graphes. Revue d'Intelligence Artificielle (numéro spécial " Graphes Conceptuels, 1996.

M. Mugnier, Knowledge Representation and Reasonings Based on Graph Homomorphism, Conceptual Structures: Logical , Linguistic, and Computational Issues, 8th International Conference on Conceptual Structures Proceedings, volume 1867 of Lecture Notes in Computer Science, pp.172-192, 2000.
DOI : 10.1007/10722280_12

´. Salvat and . Eric, Theorem Proving Using Graph Operations in the Conceptual Graph Formalism, 13th European Conference on Artificial Intelligence Proceedings, pp.356-360, 1998.

J. F. Sowa, On conceptual structures, Artificial Intelligence, vol.34, issue.3, 1984.
DOI : 10.1016/0004-3702(88)90069-0