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The Computer Journal 1978 21(1):42-44; doi:10.1093/comjnl/21.1.42
© 1978 by British Computer Society
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Recoding of natural language for economy of transmission or storage

J. G. Wolff *

University Hospital of Wales, Heath Park, Cardiff, UK

A computer program, developed as a psychological model of speed segmentation (Wolff, 1975), is presented as a method of recoding natural language for economical storage or transmission. The program builds a dictionary of frequently occurring letter strings. Where these strings occur in a text they may be replaced by a short code, thus effecting a compression of up to 49%. The strings may also be used as key ‘words’ in a document retrieval system. The method has the particular merit of simplicity in building the dictionary and efficiency in encoding data.

Received April 1976.

* University Hospital of Wales, Heath Park, Cardiff CF4 4XW


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