The semantic web promises to bring automation to the areas of web service discovery, composition and invocation. It purports to take the Web to unexplored efficiencies and provide a flexible approach for promoting all types of activities in tomorrow’s Web. In this paper, we had proposed an ontology-based framework for composition of Web services. The model is also based on an iterative and incr...

In order to ensure high availability of Web services, recently, a new approach was proposed based on the use of communities. In composition, this approach consists in replacing the failed Web service by another web service joining a community offering the same functionality of the service failed. However, this substitution may cause inconsistency in the semantic composition and alter its mediat...