A Model-based Agents and Ontology for Semantic Information Search. - Djamel Nessah; Okba Kazar (RCIS, 2009)

Document analysis to provide semantic metadata based ontologies. - Djamel Nessah; Okba Kazar (ICMCS, 2012)

A Multi-Agents System for Semantic Annotation Based Conceptual Graph Formalism. - Djamel Nessah; Okba Kazar (Int. J. Web Appl., 2012)

An improved semantic information searching scheme based multi-agent system and an innovative similarity measure. - Djamel Nessah; Okba Kazar (Int. J. Metadata Semant. Ontologies, 2013)

Towards a hybrid semantic similarity measure to set the conceptual relatedness in a hierarchy. - Djamel Nessah; Okba Kazar; Aïcha-Nabila Benharkat (Int. J. Metadata Semant. Ontologies, 2016)