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A denotational semantics for the generalized ER model and a simple ER algebra

Chandrasekaran, N and lyengar, Sitharama S and Chen, Peter P (1988) A denotational semantics for the generalized ER model and a simple ER algebra. In: International Journal of Computer Mathematics, 24 (2). pp. 99-113.

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Abstract

The recent spurt of research activities in Entity-Relationship Approach to databases calls for a close scrutiny of the semantics of the underlying Entity-Relationship models, data manipulation languages, data definition languages, etc. For reasons well known, it is very desirable and sometimes imperative to give formal description of the semantics. In this paper, we consider a specific ER model, the generalized Entity-Relationship model (without attributes on relationships) and give denotational semantics for the model as well as a simple ER algebra based on the model. Our formalism is based on the Vienna Development Method—the meta language (VDM). We also discuss the salient features of the given semantics in detail and suggest directions for further work.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Keywords: Denotational Semantics;ER Model;ER Algebra;Database.
Department/Centre: Others
Date Deposited: 31 Aug 2010 08:44
Last Modified: 31 Aug 2010 08:44
URI: http://eprints.iisc.ernet.in/id/eprint/31590

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