Article : Semantic Based Automatic Web Service Composition

Title

Semantic Based Automatic Web Service Composition

Author

Mohan H G, Chetan K R

Today‚Äôs Web is moving from being a collection of pages towards a collection of services that collaborate through Internet. Services are created and updated on the fly hence it is impractical to generate the service compositions manually. Automation of Web service composition is the process of forming new Web services from existing Web services. Semantics plays an important role in activities such as discovery, selection and composition. The paper presents an approach that derives and evaluates the structured composition from a given set of Web services automatically on user request. The approach consists of two phases. First, the semantic links are established among the services based on a causal law, to form a network. Second, based on the user request the structured compositions are derived and evaluated based on the semantic matching of services in the result. The approach allows addition and removal of services at run time which makes it dynamic. 

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