Information system integration

Information system integration June 2000/Vol. 43, No. 6 COMMUNICATIONS OF THE ACM Wilhelm Hasselbring INTEGRATION F JAMES GARY INFORMATION SYSTEM or information systems, it is increasingly difficult to draw a line around an application system and say that you own and control it. For example, as value chains extend beyond enterprises, supplier and customer systems become part of each other ™s information architectures. Furthermore, in many application areas, data is distributed over a multitude of heterogeneous, often autonomous information systems, and an exchange of data among them is not easy. Figure 1 illustrates such a vertical fragmentation of organizational units. Each unit may be structured within three architectural layers, as described in the following. The business architecture layer defines the organizational structure and the workflows for business rules and processes. It is a conceptual level expressed in terms meaningful to actual users of application systems. The application architecture layer defines the actual implementation of the business concepts in terms of enterprise applications. At this layer, it is the central goal to provide the œglue  between the application domain described in the business architecture and the technical solutions described in the technology architecture. Research in information systems aims at filling the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Communications of the ACM Association for Computing Machinery

Information system integration

Communications of the ACM, Volume 43 (6) – Jun 1, 2000

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Publisher
Association for Computing Machinery
Copyright
Copyright © 2000 by ACM Inc.
ISSN
0001-0782
DOI
10.1145/336460.336472
Publisher site
See Article on Publisher Site

Abstract

June 2000/Vol. 43, No. 6 COMMUNICATIONS OF THE ACM Wilhelm Hasselbring INTEGRATION F JAMES GARY INFORMATION SYSTEM or information systems, it is increasingly difficult to draw a line around an application system and say that you own and control it. For example, as value chains extend beyond enterprises, supplier and customer systems become part of each other ™s information architectures. Furthermore, in many application areas, data is distributed over a multitude of heterogeneous, often autonomous information systems, and an exchange of data among them is not easy. Figure 1 illustrates such a vertical fragmentation of organizational units. Each unit may be structured within three architectural layers, as described in the following. The business architecture layer defines the organizational structure and the workflows for business rules and processes. It is a conceptual level expressed in terms meaningful to actual users of application systems. The application architecture layer defines the actual implementation of the business concepts in terms of enterprise applications. At this layer, it is the central goal to provide the œglue  between the application domain described in the business architecture and the technical solutions described in the technology architecture. Research in information systems aims at filling the

Journal

Communications of the ACMAssociation for Computing Machinery

Published: Jun 1, 2000

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