Home → Magazine Archive → December 1985 (Vol. 28, No. 12) → Data compression on a database system → Abstract

Data compression on a database system

By Gordon V. Cormack

Communications of the ACM, Vol. 28 No. 12, Pages 1336-1342
10.1145/214956.214963


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A general-purpose data-compression routine—implemented on the IMS database system—makes use of context to achieve better compression than Huffman's method applied character by character. It demonstrates that a wide variety of data can be compressed effectively using a single, fixed compression routine with almost no working storage.

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