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The Computer Journal 1990 33(1):31-39; doi:10.1093/comjnl/33.1.31
© 1990 by British Computer Society
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BRMQ: A Database Interface Facility based on Graph Traversals and Extended Relationships on Groups of Entities

M. AZMOODEH *

Department of Computer Science, University of Essex, Wivenhoe Park, Colchester CO4 3SQ, UK

A binary relational database model is used as the heart of a coexistent database system architecture. The semantic binary relational model (SBRM) of information allows for evolutionary changes in the data base by breaking large constructs into atomic named objects. A graph representation of the SBRM schemas is used as an effective data base interface. Such an interface allows interrogation of the database by employing a sequence of graphical movements based on the schema graphs displayed on the screen. This paper describes a data base interface language which is based on manipulating graphical images of objects in an SBRM graph.

Received December 1985. revised November 1987.

* Author's present address: British Telecom, Scottish Mutual House, Lower Brook Street, Ipswich IP4 1AQ

§ Department of Computer Science, University of Essex, Wivenhoe Park, Colchester CO4 3SQ


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