Service Oriented Architecture (SOA) is an approach to build distributed systems that deliver application functionality as services are language and platform-independent. Web service one of the fundamental technologies in implementing SOA based applications. modular, self-describing, self-contained loosely coupled applications can be published, located, invoked across web. As number web increase...

The Web Service Modeling Ontology (WSMO) provides the conceptual framework for semantically describing web services and their specific properties. The Web Service Modeling Language (WSML) is a formal language for annotating web services with semantic information, which is based on the WSMO conceptual framework. Service discovery, i.e., the automatic location of services that fulfill a user goal...

Dynamic Web data sources—sometimes known collectively as the Deep Web—increase the utility of the Web by providing intuitive access to data repositories anywhere that Web access is available. Deep Web services provide access to real-time information, like entertainment event listings, or present a Web interface to large databases or other data repositories. Recent studies suggest that the size ...