Written for developers, this book introduces the major ideas behind core and extended Web services' technologies and serves as a primer covering the prominent emerging technologies in this area. It summarizes the major architectural approaches to Web services, examines the role of Web services within the .NET and J2EE communities, and describes the products of major companies. Newcomer is a technical officer with a company providing e-business platforms. Annotation c. Book News, Inc., Portland, OR (booknews.com)