Web service reputation-based search agent

Abstract

The semantic web service is an emerging technology which automates discovery and execution of web services on web. Software agent is a main component in building semantic web and acts as middleware between users and web services to find the service that best fits the consumer's requirements. The UDDI registry is used to find service providers and web services published by service providers. The problem, however is that the current UDDI registries do not provide information on quality or reputation of web services. The user has to perform intensive search till the best service is found. We propose a reputation based search agent which performs enhanced search by executing and ranking the list of web services based on QoS requirements of users. The ranking is performed based on reputation of each web service which is regularly and dynamically updated. This model searches registered web services based on keyword taken from user, executes each web service, ranks them according to Qos requirement of user and display the ranked list of end result. The model thus provides users with high probability of quick and successful discovery of web services.