Compressing method, compressing apparatus, and computer-readable recording medium

A non-transitory computer-readable recording medium stores a compressing program that causes a computer to execute a process including: extracting words from a file serving as a processing target; counting how many times each of the extracted words appears; registering bit strings each expressing, i...

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Bibliographic Details
Main Authors Murata, Takahiro, Ohta, Takafumi, Kataoka, Masahiro, Sakai, Masanori, Ideuchi, Masao
Format Patent
LanguageEnglish
Published 18.08.2020
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A non-transitory computer-readable recording medium stores a compressing program that causes a computer to execute a process including: extracting words from a file serving as a processing target; counting how many times each of the extracted words appears; registering bit strings each expressing, in multiple bits, the number of times of appearance into an index so as to be kept in correspondence with the words and the file; among the plurality of bit strings registered in the index while being kept in correspondence with the words and the file, each rearranging, within the bit string, bits included in a first bit string and bits included in a second bit string, so as to be in a different order; and compressing the index in which the bits have been rearranged, by using mutually-different mathematical functions.
Bibliography:Application Number: US201815865394