This slides covers all aspects
of current Web services and discusses the future direction of Web services.
It explains how to discover, describe, and access Web services and the technologies
behind those functions. It also provides concrete use cases for
deploying Web services and answers the question “Why use Web services?”
Lastly, it provides detailed description of advanced Web service applications
to include orchestration and security. The chapter closes with a discussion
of grid-enabled Web services and semantic-enabled Web services.