INFORMATION SYSTEMS REENGINEERING APPROACH BASED ON THE MODEL OF INFORMATION SYSTEMS DOMAINS


INFORMATION SYSTEMS REENGINEERING APPROACH BASED ON THE MODEL OF INFORMATION SYSTEMS DOMAINS

Maria Glava1, Valery Malakhov2

1Department of Economic Cybernetics and Information Technologies,
Odessa National Polytechnic University, Odessa, Ukraine.
2Department of Mathematical Support of Computer Systems,
Odessa I. I. Mechnikov National University, Odessa, Ukraine.
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ABSTRACT
The paper considers current problems of integration of Information Systems (IS), limitations of current methods of IS Reengineering and limitations of existing approaches for Data Integration in Relational Databases. The performed analysis shows the drawbacks of existing integration approaches. To increase effectiveness of IS integration at the conceptual level, the paper proposes a new technique for the integration of relational databases on the base of the model of an IS Domain (ISD). The approach allows to automate the synthesis of conceptual schemas for the different layers of ISDs and results in the increasing effectiveness (saving labour and time efforts) of the problem solution. The technique is based on the mapping values of the properties of instances of composing ISD objects.

Keywords: Information system; Information systems reengineering; Information systems domain; Model of information systems domain.

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