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== Architecture of Interoperable Information Systems ==
An Architecture of interoperable information systems describes how interoperating information systems can be efficiently designed and implemented. The problem of interoperating information systems is tackled since the invention of information system, and many concepts were created to foster interoperability betweent different kind of information systems. In 2010, under the name "'''Bold text'''Architecture of Interoperable Information Systems'''" (AIOS) a reference architecture for interconnecting enterprise information system was published. It can be seen as complementary to the
▲The problem of interoperating information systems is tackled since the invention of information system, and many concepts were created to foster interoperability betweent different kind of information systems. In 2010, under the name "Architecture of Interoperable Information Systems" (AIOS) a reference architecture for interconnecting enterprise information system was published. It can be seen as complementary to the "Architecture of Integrated Information Systems", which is a wide-spread architectur for describing information systems and business processes inside one organization.
== Definition ==
The automation of cross-organizational [[business process]]es is one of the most important trends of the information age. lnstead of a tight [[integration]] however, collaborating organizations rather strive for a loose coupling of their information systems. The information systems should be able to work together but retain as much independency as possible. This characteristic is also called [[interoperability]]. In the context of collaborating
[[Information system]]s are systems that process information, i.e. they capture, transport, transform, store and offer information. Following the conception prevailing in information systems research, an information system comprises not only the hardware and software of an enterprise, but also the related human actors, business functions and processes as well as organization structures.[1] [[Architecture]] is defined as the “fundamental organization of a system, embodied in its components, their relationships to each other and the environment, and the principles governing its design and evolution”[2]▼
▲[[Information system]]s are systems that process information, i.e. they capture, transport, transform, store and offer information. Following the conception prevailing in information systems research, an information system comprises not only the hardware and software of an enterprise, but also the related human actors, business functions and processes as well as organization structures.[1]
▲Business Interoperability
=== Architecture of Interoperable Information System ===
[[Architecture]] is defined as the “fundamental organization of a system, embodied in its components, their relationships to each other and the environment, and the principles governing its design and evolution”[2]. Sinz defines an information system architecture as the building plan of an information system in the sense of a specification and documentation of its components and their relationships covering all relevant viewpoints as well as the constructions rules for the creation of the building plan[3].
▲Information System Architecture
Accordingly, an Architecture of Interoperable Information Systems is the building plan of an cross-organizational information system, which enables the organization to execute a collaborative business process among them.
== Reference Architecture
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[1] Compare BECKER & SCHÜTTE (2004), p. 33, and GABRIEL (2008). This broad understanding is also confirmed by the often-referenced “Framework for Information Systems Architecture” (ZACHMAN, 1987).
[2] IEEE (2007).
[3] Compare SINZ (2002), p. 1055.
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