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The Computer Journal 1985 28(3):282-290; doi:10.1093/comjnl/28.3.282
© 1985 by British Computer Society
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The Architecture of a Generalised Distributed Database System – PRECI*

S. M. Deen *, R. R. Amin *, G. O. Ofori-Dwumfuo * and M. C. Taylor *

PRECI PROJECT, Department of Computing Science, University of Aberdeen, Aberdeen, UK

A research prototype of a generalised distributed database system called PRECI* is currently being developed at the University of Aberdeen in collaboration with a number of research centres, mainly in Britain. The system is fully decentralised, with both retrieval and update facilities, permitting heterogeneous and even pre-existing databases as nodes and supporting links to other (external) distributed databases. The system supports both location transparent and transaction-oriented queries to fulfil differing user requirements. Nodal autonomy, data integration, metadata and staged binding of queries may be seen as its other main features. The basic design of the system is now complete, and a partial implementation is in progress.


* PRECI PROJECT, Department of Computing Science, University of Aberdeen, Aberdeen AB9 2UB, Scotland


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