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Modélisation intentionnelle et annotation sémantique pour la réutilisation de services métiers PASiS: Publishing And Searching of Intentional Services

Abstract : This work is a continuation of previous work on architecture and iSOA and the intentional service model MiS. This is to make the services provided by MiS available by completing the platform iSOA. In other words, publishing and searching intentional services in an extended registry. The mechanisms used involve semantic web services techniques and knowledge modelling in form of ontologies. The purpose of this work focuses on the gaps identified in the process of publishing a service, the discovery approach to select the most appropriate intentional services to satisfy user's needs and the structure of the intentional service descriptor to be published in the registry. We offer the approach PASiS (Publishing And Searching intentional Services). In this approach, the provider input in the publication of a service is expressed in business terms as goals. We propose a guided publication process to assist the designer in this task, and also to guarantee the completeness of the published service description. This process uses ontologies to capture the semantics of the intentional service descriptor. These ontologies are iSOnto (intentional Services Ontology), vOnto (verbs Ontology) and pOnto (products Ontology). Finally, our approach takes into account, in the descriptor and in the publishing process, the aggregation of intentional services as defined in the model MiS. In PASiS, the user expresses his needs as a goal. Through a discovery process model, we offer guidance to help the user take advantage of all opportunities in the query template, and also to guide him in his discovery and help him find what he wants. The matching is done between the concepts associated with the query and those associated with the service descriptors, using a semantic distance calculation function that exploits the semantic relations (generalization, specialization) in domain ontology. By exploiting the concepts of intentional aggregated services, the user can browse the tree of composite/variant services to explore the space of intentional services available. Finally, the smart reformulation process of user's request is based on the use of ontologies. By using of generic ontology of verbs and semantic links between verbs and nouns, we can reason on the meaning of a goal and introduce intelligence and guidance in the publishing and searching processes. This work is devoted also to the specification and implementation of intentional descriptor of service where the annotation is used as a technique for semantic extension to the three ontologies: iSOnto, vOnto and pOnto. In this work, we propose to extend the SAWSDL language to describe intentional services. This extension fills a gap in the specification of the nature of semantic annotation in SAWSDL. For this reason, we will use the ontology iSOnto to explain not only the concepts of a domain but also the nature of these concepts. Finally, the proposed approach is illustrated through a case study application. In light of this case study, we showed that the research hypotheses are valid.
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Submitted on : Thursday, June 14, 2012 - 11:18:23 AM
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Kadan Aljoumaa. Modélisation intentionnelle et annotation sémantique pour la réutilisation de services métiers PASiS: Publishing And Searching of Intentional Services. Autre [cs.OH]. Université Panthéon-Sorbonne - Paris I, 2011. Français. ⟨tel-00708168⟩

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