Apparatus for searching compressed data file

Details Apparatus for searching compressed data file Apparatus for searching compressed data file

1975-08-06

1977-12-20

Chapnick, Melvin B.

Boots, shoes, and leggings

G06F 502, G06F 734

Patent

active

040644898

ABSTRACT:
A data processing system in which a sequence of records, each record containing data items of various types, is processed. The system is operable in a "remember" mode in which, if a data item of a particular type is not present in a particular record, the result of the last time that type of data item was processed is used as the result for the current record. This permits data files to be stored in a compressed form in which repeated data items are omitted.

REFERENCES:
patent: 3541529 (1970-11-01), Nelson
patent: 3651483 (1972-03-01), Clark et al.
patent: 3717851 (1973-02-01), Cocke et al.
patent: 3848235 (1974-11-01), Lewis et al.

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