Amel Boustil

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Service composition is a very complex and challenging task, especially when it has to consider not only the services properties and their dependencies but also users constraints. In this paper we propose a semantic based approach for web service composition, which allows users to define different kinds of constraints: local, global and choreography(More)
Most of the studies on the semiautomated composite Web services select concrete services based on the functional and/or non- functional attributes. However, they do not consider relationships between these attributes in the description of services or the user constraints. In this work, we propose an approach, which relates services to objects (resources)(More)
Résumé. Dans cet article, nous proposons un système de classification des comptes-rendus mammographiques, reposant sur une ontologie radiologique décrivant les signes radiologiques et les différentes classes de la classification ACR des systèmes BIRADS dans le langage OWL. Le système est conçu pour, extraire les faits issus des textes libres de(More)
This paper proposes an OWL DL ontology for Web service description which aims at automating selection of composite Web services. In this ontology, we identify communities as a mean to organize Web services for a given shared domain. We relate concepts of community, service’s functionality (atomic abstract service or composite abstract service) and provided(More)
In recent years, gathering Web services into communities are becoming of major importance. Most of the existing selection strategies for composite Web services from specific communities select the optimized solution without considering relationships between these services and communities. Indeed, these relationships describe the relations between the(More)
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