Toward the Next Generation of Data Modeling Tools

Authors:
C. R. Carlson;Adarsh K. Arora
Affiliations:
Illinois Institute of Technology, Chicago;Gould Research Center, Rollings Meadows, IL
Venue:
IEEE Transactions on Software Engineering - Special issue on COMPSAC 1982 and 1983
Year:
1985

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Abstract

This paper describes the Update Protocol Model (UPM), a formal language for the expression of database update semantics. UPM has been used primarily to capture and communicate in a precise and uniform notation the plethora of database semantics described by a variety of "fourth generation" models, many of which are imprecise when it comes to update semantics. Several computing trends-knowledge-based expert systems, distributed database management systems, and new applications based on higher order semantic models-point to the need for modeling techniques beyond that which current data models such as the relational and entity-relationship models provide.