A Semantic Overlay for Service Discovery across Web Information Systems

Authors:
Devis Bianchini;Valeria Antonellis;Michele Melchiori;Denise Salvi
Affiliations:
Dip. Elettronica per l'Automazione, Università di Brescia, Brescia, Italy 25123;Dip. Elettronica per l'Automazione, Università di Brescia, Brescia, Italy 25123;Dip. Elettronica per l'Automazione, Università di Brescia, Brescia, Italy 25123;Dip. Elettronica per l'Automazione, Università di Brescia, Brescia, Italy 25123
Venue:
WISE '08 Proceedings of the 9th international conference on Web Information Systems Engineering
Year:
2008

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Abstract

Many collaborative organizations require advanced semantic interoperability tools to enable cooperation and communication across distributed Web Information Systems (WIS). Adopting the service-oriented technology, they have improved interoperability at the application level by exporting WIS functionalities as Web services. Furthermore, in order to support effective peer-to-peer collaboration, they require semantic interoperability techniques for service discovery and sharing. In this paper, we focus on semantic interoperability issues for distributed collaboration and provide techniques for building a service semantic overlay, across heterogeneous WIS. In particular, semantic links among peers that offer comparable services in a given domain are defined and maintained over the time. The service semantic overlay is ontology-based for formally organizing the shared services to enhance the capability of service interchange and interoperation among the collaborative systems. The approach and a preliminary experimentation have been proposed to demonstrate practical benefits in the framework of the ESTEEM (Emergent Semantics and cooperaTion in multi-knowledgE EnvironMents) project.