Gestion de l'évolution d'un Web sémantique d'entreprise

Abstract : Corporate Semantic Web (CSW) is an approach of the Knowledge Management in an organisation for the next generation of the Semantic Web. Actually, the organisations live in a dynamic and evolving environment which often leads to internal and external changes requiring the evolution of their knowledge management system. Few current researches face the change management of the knowledge management system. The objective of this thesis is to contribute to reduce this limitation. In this dissertation, we present a new approach for the evolution management of the CSW. We focus particularly on ontology evolution and semantic annotation evolution which are two important components of the CSW. We are interested in two main scenarios of ontology evolution : (i) with trace and (ii) without trace of ontology changes which are carried out during its evolution. These two scenarios are often encountered in reality and they lead to inconsistencies of the semantic annotations using this modified ontology. Corresponding to each context of evolution, we have developed equivalent approaches: a procedural approach and a rule-based approach in order to manage semantic annotation evolution and particularly to detect inconsistent annotations and to guide the process of solving these inconsistencies. These propositions were implemented and validated in the CoSWEM system which facilitates the evolution management of the CSW. This system was also experimented within the framework of the industrial projects PALETTE and E-WOK_HUB with a set of real and evolving data from these projects.
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Submitted on : Monday, December 17, 2007 - 5:53:10 PM
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Phuc Hiep Luong. Gestion de l'évolution d'un Web sémantique d'entreprise. Interface homme-machine [cs.HC]. École Nationale Supérieure des Mines de Paris, 2007. Français. ⟨NNT : 2007ENMP1488⟩. ⟨tel-00198718⟩

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