Titlebook: Web Services; Concepts, Architectu Gustavo Alonso,Fabio Casati,Vijay Machiraju Textbook 2004 Springer-Verlag Berlin Heidelberg 2004 B2B.BPE

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Enterprise Application Integration treatment. As we saw in Chapter 2, middleware constitutes the basic infrastructure behind any distributed information system. Initially, middleware was used to construct new systems and to link to mainframe-based systems (2-tier architectures). Later, it was used to distribute the application logic

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Web Technologies however, is not limited to the systems within a single company. The same advantages that can be derived from automating a company’s business processes can be obtained from automating business processes encompassing several companies. Hence, it should not come as a surprise that there is as much int

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Service Compositionrtain ordering constraints. We have discussed one of two implications of that observation: the need for coordination protocols and for middleware that helps define and enforce protocols. This chapter tackles the other implication, which is related to the . of Web services whose business logic involv

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Textbook 2004s combination of wishful thinking on the part of research and industry and of a lack of clear understanding of how Web services came to be. On the one hand, multiple contradictory interpretations are created by the many attempts to realign existing technology and strategies with Web services. On the

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-listener to sense its beginning and end and to feel that in some sense it constitutes a unit. The most common intonation pattern is 2-3-1, and there are a relatively small number of transformed intonation patterns. A formal definition, then, might read like this: ..