Distributed and Parallel Databases

, Volume 18, Issue 1, pp 37–64 | Cite as

Using Semantics for Policy-Based Web Service Composition

  • Soon Ae Chun
  • Vijayalakshmi Atluri
  • Nabil R. Adam
Article

Abstract

Proliferation of Web technologies and the ubiquitous Internet has resulted in a tremendous increase in the need to deliver one-stop Web services, which are often composed of multiple component services that cross organizational boundaries. It is essential that these Web services, referred to in this paper as service flows, be carefully composed in a dynamic and customized manner to suit to the changing needs of the customers. This composition should be conducted in such a manner that (i) the composed service flow adheres to the policies imposed by the organizations offering the component services, (ii) the selected component services are compatible with one another so that the entire composition would result in a successful service flow, and (iii) the selected component services most closely meet the customer requirements. In this paper, we propose a policy-based Web service composition that utilizes the semantics associated with the component services.

We consider policies imposed by different entities while composing service flows, which include service policies (imposed by the organizations offering component services), service flow policies (associated with the entire service flow), and user policies (the user requirements expressed as policies). In addition to these policies, one may consider rules at the syntactic and semantic levels that can be used to select relevant component services in order to compose customized service flows, by considering the notions of syntactic, semantic and policy compatibility. We model the different policies and the service topic ontology using OWL, DAML-S, RuleML and RDF standards.

Keywords

workflow policies composition Web services 
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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  • Soon Ae Chun
    • 1
    • 2
    • 3
  • Vijayalakshmi Atluri
    • 2
    • 3
  • Nabil R. Adam
    • 2
    • 3
  1. 1.CDS DepartmentSeton Hall UniversitySouth OrangeUSA
  2. 2.Center for Information Management, Integration and Connectivity (CIMIC)Rutgers UniversityNewarkUSA
  3. 3.MSIS DepartmentRutgers UniversityNewarkUSA

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