Web services : concepts, architectures and applications / Gustavo Alonso ... [et al.]. Alonso, Gustavo, 1965- Web services. Web site development. Middleware. 006.7 WEB Includes bibliographical references and index. Berlin ; a New York : Springer, 2004. 2004. 2004 Text xx, 354 p. : eng Data-centric systems and applications Data-centric systems and applications.