COMPUTER-READABLE RECORDING MEDIUM, ENCODING METHOD, ENCODING DEVICE, RETRIEVAL METHOD, AND RETRIEVAL DEVICE

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United States of America Patent

APP PUB NO 20170300491A1
SERIAL NO

15490210

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Abstract

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An encoding device 100 encodes a target file by using a static dictionary 121 and a dynamic dictionary 122. The encoding device 100 generates index information of the target file by folding a file axis and a word axis of the target file utilizing base numbers, respectively, the index information indicates presence information of words registered in the static dictionary 121 and the dynamic dictionary 122. The encoding device 100 generates, when the target file is updated, the difference information indicating difference of the index information with respect to the file axis direction or the word axis direction.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
FUJITSU LIMITEDKAWASAKI18047

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