Extending relational algebra to manipulate temporal data

Lorentzos, N.A. and Johnson, Roger (1988) Extending relational algebra to manipulate temporal data. Information Systems Journal 13 (3), pp. 289-296. ISSN 1365-2575.

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Official URL: https://doi.org/10.1016/0306-4379(88)90040-3

Abstract

Some weaknesses of relational algebra when manipulating temporal data are identified. An extension of this algebra is described, which helps overcome the problems. The proposed model is simple in structure, powerful and its operational capabilities are readily understandable by the user. In addition, an experimental implementation is described.

Metadata

Item Type:	Article
School:	Birkbeck Faculties and Schools > Faculty of Science > School of Computing and Mathematical Sciences
Depositing User:	Sarah Hall
Date Deposited:	27 Apr 2021 20:51
Last Modified:	09 Aug 2023 12:50
URI:	https://eprints.bbk.ac.uk/id/eprint/44016

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