E-R Approach to Distributed Heterogeneous Database Systems for Integrated Manufacturing

E-R Approach to Distributed Heterogeneous Database Systems for Integrated Manufacturing

Hemant Jain (University of Wisconsin-Milwaukee, USA) and Mohammed I. Bu-Hulaiga (King Fahad University of Petroleum & Mineral, Saudi Arabia)
Copyright: © 1990 |Pages: 13
DOI: 10.4018/irmj.1990010103

Abstract

A critical step towards computer integrated manufacturing (CIM) is the integration of computer-aided design (CAD) and computer-aided manufacturing (CAM). Well developed CAD, CAM, and Business data processing systems generally exist in an organization. These systems represent years of work and a very large investment for the organization. Thus a necessary condition for integration is defining schemes through which existing engineering and non-engineering data can be represented and manipulated in an integrated way. In this paper a Common Data Model (CDM) approach to distributed heterogeneous database is adopted for CAD/CAM integration and an Extended-Entity-Category-Relationship (EECS) Model (an extension of ER model) is proposed. The use of EECR model as a common conceptual data model for representing engineering and non-engineering data is discussed.

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