Extending SOA with Semantic Mediators

  • Authors:
  • Patrício Alencar Silva;Ulrich Schiel;Cláudia M. Ribeiro;José Eustáquio Queiroz

  • Affiliations:
  • Universidade Federal de Campina Grande, Campina Grande, Brazil 58.101-970;Universidade Federal de Campina Grande, Campina Grande, Brazil 58.101-970;Universidade do Estado do Rio Grande do Norte Itapetinga, Brazil 59.124-400;Universidade Federal de Campina Grande, Campina Grande, Brazil 58.101-970

  • Venue:
  • Advanced Internet Based Systems and Applications
  • Year:
  • 2009

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Abstract

Mediators are critical for service scenarios, since providers and consumers frequently have opposite goals, e.g. to maximize profit with minimal resource (provider perspective) against to maximize satisfaction with minimal cost (consumer perspective). Nonetheless, semantic mediation is not explicitly taken into account in the Service Oriented Architecture (SOA). In this paper, it is presented an extension of SOA which includes the mediator as first-level entity, besides the client, the provider, and the registry of the services. The assignment of semantics to information that is processed by the mediator through ontologies, and the formalization of mediator's behavior are included among the advantages of the proposal.