E Commerce

Business Process Management - Concepts, Languages, by Mathias Weske

By Mathias Weske

This textbook is ultimate for periods on enterprise procedure administration, details platforms structure, and workflow administration. it's also invaluable for venture managers and IT execs operating in enterprise strategy administration, because it presents a vendor-independent view at the subject. The accompanying site comprises additional details, reminiscent of hyperlinks to references which are on hand on-line, routines that provide the reader a deeper involvement with the themes addressed, and extra instructing fabric.

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Applications do not only use the functionality provided by the database management system—as the layering might indicate. Applications also directly use functionality provided by the underlying operating system. The next step in the evolution of information systems is dedicated to graphical user interfaces which were developed to ease human interaction with application systems. Before the advent of graphical user interfaces, users interacted with application programs on the basis of mostly textual interfaces that required extensive user training before work could be done efficiently.

Data integration is an important aspect in enterprise application integration. In this section, the traditional point-to-point enterprise application integration approach and an approach based on message brokers following the hub-and-spoke paradigm will be discussed. 4, where siloed applications are shown; typically, many more application systems need to be integrated, often even several instances of a specific type of application system, such as enterprise resource planning systems, which in many cases run different versions of the software.

Based on these rules, the hub can use information on the identity of the sender, the message type, and the message content to decide on which message queues to relay a message received. Besides relaying messages to recipients, message brokers also transform messages to realize data mapping between the applications, so that data heterogeneity issues can be handled appropriately. Adapters of application systems are used to perform these message transformations. 8, each application is linked to the message broker, reflected by the directed arcs from the applications to the message broker, in particular, to the rule evaluation component of the message broker.

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