Business Process Management - Concepts, Languages, by Mathias Weske

By Mathias Weske

This textbook is best for periods on enterprise technique administration, details structures structure, and workflow administration. it's also worthy for undertaking managers and IT pros operating in enterprise approach administration, because it presents a vendor-independent view at the subject. The accompanying site comprises extra details, reminiscent of hyperlinks to references which are on hand on-line, workouts that supply the reader a deeper involvement with the subjects addressed, and extra educating fabric.

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These differences involve both the types of particular data fields (strings of different length for attribute CustomerName), but also the names of the attributes. In the customer example, in one system the attribute CAddr will denote the address of the customer, while in the other system the attribute StreetAdrC denotes the address. The next level of heterogeneity regards the semantics of the attributes. Assume there is an attribute Price in the product tables of two application systems. The naming of the attribute does not indicate whether the price includes or excludes value-added tax.

Also each enterprise should not have more than about a dozen organisational business processes. These processes are often described by the same symbols as those used for value systems, but the reader should be aware of the fact that different levels of abstraction are in place. 12. , by the target markets, by business strategies opening new opportunities, and, in general, by the overall strategic goals of the enterprise. 12, are valuable assets that knowledge workers can take advantage of. 3 Enterprise Modelling and Process Orientation 45 pect of business process reengineering is combining small granular functions conducted by several persons into functional units of larger granularity, and supporting knowledge workers in performing these tasks with dedicated information systems.

Each link represents an interface that connects the application systems associated with it. Therefore, the number of interfaces between pairs of application systems to 34 2 Evolution of Enterprise Systems Architectures realize grows to the order of N × N , incurring considerable overhead. If there were links between any pairs of application systems, then the number of interfaces to develop would be 5 + 4 + 3 + 2 + 1 = 15. In the general case, the number of links between N application systems is N −1 i= i=1 1 N (N − 1) 2 and therefore rises to the square of the number of application systems.

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