Web service discovery is a key component in service oriented computing.Service oriented architecture follow the find bind execute paradigm in which service providers register their services in public or private registries which clients use to locate web services.With an increasing number of web services providing similar functionalities, security has become one of the most critical issues. Because search engines are now a major player in finding service access points through Web Services Description Language.Service discovery standards, such as UDDI, have focused primarily on simple...