The Web services technology allows for easy creation of complex applications consisting of smaller components-Web services. This article performs an in-depth analysis of a Web services' reliability problem for both atomic and composite web services. Is there really a problem of low reliability for composite applications?
Security and trust aspects, perceived as difficult to quantify, have been neglected in various service interactions. However, factors related to security and trust are in fact crucial in the overall value of service quality. A security ontology that enables a quantification of risks related to the usage of Semantic Web services in enterprise information… (More)