Advance BPEL execution adaptation using QoS parameters and collaborative filtering techniques

Abstract. In this thesis, frameworks for providing runtime adaptation for BPEL scenarios are proposed. The adaptation is based on (a) quality of service parameters of available web services (b) quality of service policies specified by users and (c) collaborative filtering techniques, allowing clients to further refine the adaptation process by considering service selections made by other clients. 1 Introduction1 Web Services are considered a dominant standard for distributed application com-munication over the internet. Consumer applications can locate and invoke complex functionality, through widespread XML-based protocols, without any concern abou