N. Ben-mustapha, H. Baazaoui-zghal, M. Aufaure, and H. Ben-ghzala, Combining semantic search and ontology learning for incremental web ontology engineering, Sixth International Workshop on Web Information Systems Modeling held in conjunction with CAISE'09, pp.1036-1049, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00831713

N. Ben-mustapha, H. Baazaoui-zghal, M. Aufaure, and H. Ben-ghzala, Semantic search using modular ontology learning and case-based reasoning, Proceedings of the 1st International Workshop on Data Semantics, DataSem '10, 2010.
DOI : 10.1145/1754239.1754243
URL : https://hal.archives-ouvertes.fr/hal-00831707

N. Ben-mustapha, H. Baazaoui-zghal, M. Aufaure, and H. Ben-ghzala, Enhancing semantic search using case-based modular ontology, Proceedings of the 2010 ACM Symposium on Applied Computing, SAC '10, pp.10-1438, 2010.
DOI : 10.1145/1774088.1774393
URL : https://hal.archives-ouvertes.fr/hal-00831667

H. Stuckenschmidt, P. Christine, and S. Spaccapietra, Modular Ontologies: Concepts, Theories and Techniques for Knowledge Modularization, Lecture Notes in Computer Science, vol.5445, 2009.
DOI : 10.1007/978-3-642-01907-4

M. Aquin, A. Schlicht, H. Stuckenschmidt, and M. Sabou, Ontology modularization for knowledge selection: Experiments and evaluations, Proceedings of 18th International Conference on Database and Expert Systems Applications, DEXA, p.874883, 2007.

T. R. Gruber, Toward principles for the design of ontologies used for knowledge sharing?, International Journal of Human-Computer Studies, vol.43, issue.5-6, 1993.
DOI : 10.1006/ijhc.1995.1081

H. Stuckenschmidt and M. C. Klein, Structure-Based Partitioning of Large Concept Hierarchies, Proceeding of International Semantic Web Conference, pp.289-303, 2004.
DOI : 10.1007/978-3-540-30475-3_21

H. Ehrig, K. Ehrig, U. Prange, and G. Taentzer, Fundamental Theory for Typed Attributed Graphs and Graph Transformation based on Adhesive HLR Categories, In journal of Fundam. Inf, vol.74, issue.1, pp.31-61, 2006.

M. Elloumi-chaabene, N. Ben-mustapha, H. Baazaoui-zghal, A. Moreno, and D. Sanchez, Semantic-based composition of modular ontologies applied to web query reformulation, Proceedings of the 6th International Conference on Software and Data Technologies ICSOFT, p.305308, 2011.

S. L. Tomassen, Conceptual Ontology Enrichment for Web Information Retrieval. Phd, Norwegian University of, Science and Technology NTNU, 2011.

D. L. Parnas, On the Criteria To Be Used in Decomposing Systems into Modules, Communications of the ACM, vol.15, issue.12, 1972.