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Automated composition of Web services or the process of forming new value added Web services is one of the most promising challenges in the semantic Web service research area. Semantics is one of the key elements for the automated composition of Web services because such a process requires rich machine-understandable descriptions of services that can be(More)
We investigate the problem of dynamic discovery of e-services, important in the loosely coupled vision of e-commerce. We show that it can be viewed as a new important reasoning technique in Description Logics: it can be viewed as a new instance of the problem of rewriting concepts using terminologies which generalizes problems such as rewriting queries(More)
One of the challenging problems that web service technology faces is the ability to effectively discover services based on their capabilities. We present an approach to tackle this problem in the context of description logics (DL). We formalize service discovery as a new instance of the problem of rewriting concepts using terminologies. We call this new(More)
Automation of Web service composition i.e., the process of forming new value added Web services is one of the most promising challenges in Web service research area. Such an automation does not involve only a richer semantic for Web service description but also reasoning processes about those descriptions. Semantics is supposed to be one of the key elements(More)
Automated composition of Web services or the process of forming new value added Web services is one of the most promising challenges facing the Semantic Web today. Semantics enables Web service to describe capabilities together with their processes, hence one of the key elements for the automated composition of Web services. In this paper we focus on the(More)
Main text + references + figure captions = 15 pages, 0 tables, 3 figures 2-Running head: " Ocean-planets " ;-authors: " Léger et al. "-Send editorial items to: ABSTRACT A new family of planets is considered which is in between the rocky terrestrial planets and the gaseous giants, " Ocean-Planets ". We present the possible formation, composition and internal(More)