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Most businesses these days use the web services technology as a medium to allow interaction between a service provider and a service requestor. However, both the service provider and the requestor would be unable to achieve their business goals when there are miscommunications between their processes. This research focuses on the process incompatibility between the web services and the way to automatically resolve them by using a process mediator. This paper presents an overview of the behavioral incompatibility between web services and the overview of process mediation in order to resolve the complications faced due to the incompatibility. Several state-of the-art approaches have been selected and analyzed to understand the existing process mediation components. This paper aims to provide a valuable gap analysis that identifies the important research areas in process mediation that have yet to be fully explored.

Web service is a growing technology that has been widely adopted by many organizations. It has provided a medium for communication between service provider and service requestor in the business environment. The role of semantic in web service has played an important role in this communication by allowing automatic discovery, selection and composition between the service provider and requestor. However, both service provider and the requestor are unable to achieve their business goals when there are miscommunications between their processes. This paper presents an overview of the process incompatibility between Web Services and the ways to automatically resolve them. Several approaches have been analyzed to understand the existing process mediation framework. These approaches have been presented in three categories namely Rule-based, Pattern-based and Plannerbased. Moreover, we have compared these approaches based on few criteria such as expressiveness, automation, correctness and completeness.