Search results for "Cooperation architecture"

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Query expansion and semantic visualization in information system cooperations : methods and tools for information retrieval

2010

This thesis presents approaches and tools for information retrieval. Our work is part of a cooperation system based on ontologies called OWSCIS (Ontology and Web Service based Cooperation of Information Sources). We treat the problem of information retrieval by providing an enrichment method called QUEXME (QUery EXpansion MEthod) of queries based on analysis of user behavior and using the concept importance notion with regards to query. We also discussed the problem of visualization in the OWSCIS system offering a architecture of service visualization. It is composed of three modules: the request, enrichment and results. The approaches proposed in this thesis have been prototyped and the te…

Ontology[INFO.INFO-OH]Computer Science [cs]/Other [cs.OH]OntologieRecherche d'informationArchitecture de coopérationInformation system[INFO.INFO-OH] Computer Science [cs]/Other [cs.OH]VisualisationSystème d'information[ INFO.INFO-OH ] Computer Science [cs]/Other [cs.OH]Information retrievalQuery enrichmentWeb sémantiqueSemantic webVisualizationCooperation architectureEnrichissement de requêtes
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