Intégration et exploitation de besoins en entreprise étendue fondées sur la sémantique

Abstract : Requirements engineering (RE) plays a crucial role in the process of developing informationsystems. It aims at providing a specification of requirements that is consistent, unambiguous, complete,verifiable, etc. With the development of distributed applications (such is the case of global enterprises) theimportance of RE increases. Indeed, these applications require the collaboration of a large number ofheterogeneous, autonomous and distributed designers. As a consequence, designers are free to use their ownvocabularies and languages to express their requirements. In this setting, providing a unique, consistent andtransparent interface to all requirements defined upon the system is needful. From a technical point of view, itbecomes crucial to propose an approach for requirements integration through a global schema. In this work, wesuggest a semantic approach for integrating heterogeneous requirements that takes into account theheterogeneity of both vocabularies and modeling languages identified in the requirements’ elicitation step in thecontext of data warehouse design. Unlike existing works which addressed requirements as an isolatedintegration issue without taking into account the phases of designing data warehouse, our proposals providesolutions to the main important life cycle phases for the data warehouse. To do so, we have mainly focused onthe physical data of designing relational warehouse in which a set of optimized structures (indexes, datafragmentation, materialized views, etc.) are selected based on the integrated requirements. To prove the validityof our proposal, an implementation upon the environment of Ontological Database named OntoDB is proposed.
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Submitted on : Tuesday, February 4, 2014 - 4:22:08 PM
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Ilyes Boukhari. Intégration et exploitation de besoins en entreprise étendue fondées sur la sémantique. Autre [cs.OH]. ISAE-ENSMA Ecole Nationale Supérieure de Mécanique et d'Aérotechique - Poitiers, 2014. Français. ⟨NNT : 2014ESMA0001⟩. ⟨tel-00942081⟩

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