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A Formal Approach to semantic Mediation in SOA: Specification and Proof

A Formal Approach to semantic Mediation in SOA: Specification and Proof
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Author(s): Patrício de Alencar Silva (Universidade Federal de Campina Grande (UFCG), Brazil), Cláudia M. F. A. Ribeiro (Universidade do Estado do Rio Grande do Norte (UERN), Brazil), Ulrich Schiel (Universidade Federal de Campina Grande (UFCG), Brazil) and José Eustáquio Rangel de Queiroz (Universidade Federal de Campina Grande (UFCG), Brazil)
Copyright: 2007
Pages: 6
Source title: Managing Worldwide Operations and Communications with Information Technology
Source Editor(s): Mehdi Khosrow-Pour, D.B.A. (Information Resources Management Association, USA)
DOI: 10.4018/978-1-59904-929-8.ch409
ISBN13: 9781599049298
EISBN13: 9781466665378

Abstract

There are many situations in service provisioning scenarios that lead to conflicts and impasses. Very often consumers and providers do not share the same perspective about quality of service. These divergences become more pronounced when the involved parties use different vocabularies to show their interests. It has become commonplace since service providers use different ontologies to describe the offered services. In this paper we discuss the inclusion of a middle layer in the Service-Oriented Architecture (SOA), composed by mediators, in order to make closer the involved sides towards a service negotiation. Considering that mediation is a complex task which crosscuts all the service-related tasks (e.g. discovery and composition), it is proposed a formal approach to describe behavioral aspects of the mediator unambiguously.

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