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The Computer Journal 1977 20(1):6-9; doi:10.1093/comjnl/20.1.6
© 1977 by British Computer Society
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Non-procedural data processing

B. M. Leavenworth *

IBM Thomas J. Watson Research Center, PO Box 218, Yorktown Heights, New York, USA

The specification of data processing applications in a nonprocedural manner is characterised in terms of the following features: elimination of arbitrary sequencing, pattern directed structures, aggregate operations and associative referencing. The paper defines a simple data processing problem, then motivates each of the features with respect to different descriptive aspects of the application. It is shown how these features form the nucleus of a nonprocedural language called the Business Definition Language to state and solve data processing problems.

Received May 1975.

* IBM Thomas J. Watson Research Center, PO Box 218, Yorktown Heights, New York 10598, USA


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