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Utilisation conjointe des ontologies et du contexte pour la conception des systèmes de stockage de données

Abstract : We are witnessing an era when any company is strongly interested in collecting and analyzing data from heterogeneous and varied sources. These sources also have another specificity, namely con- text awareness. Three complementary problems are identified: the resolution of the heterogeneity of the sources, (ii) the construction of a decisional integrating system, and (iii) taking into account the context in this integration. To solve these problems, we are interested in this thesis in the design of contextual applications based on a domain ontology.To do this, we first propose a context model that integrates the main dimensions identified in the literature. Once built, it is linked to the ontology model. This approach increases flexibility in the design of advanced applications. Then, we propose two case studies: (1) the contextualization of semantic data sources where we extend the OntoBD/OntoQL system to take the context into account, and (2) the design of a contextual data warehouse where the context model is projected on the different phases of the life cycle design. To validate our proposal, we present a tool implementing the different phases of the proposed design approach.
Keywords : Context
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Submitted on : Friday, April 14, 2017 - 11:42:58 AM
Last modification on : Wednesday, November 3, 2021 - 5:55:16 AM
Long-term archiving on: : Saturday, July 15, 2017 - 1:11:13 PM


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  • HAL Id : tel-01508494, version 1



Okba Barkat. Utilisation conjointe des ontologies et du contexte pour la conception des systèmes de stockage de données. Autre [cs.OH]. ISAE-ENSMA Ecole Nationale Supérieure de Mécanique et d'Aérotechique - Poitiers, 2017. Français. ⟨NNT : 2017ESMA0001⟩. ⟨tel-01508494⟩



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