Data analysis device, data analysis method, and recording medium

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United States of America Patent

PATENT NO 11138515
APP PUB NO 20180032910A1
SERIAL NO

15550508

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A data analysis apparatus executes: acquiring a group of learning input data; setting a plurality of first hash functions; substituting each learning input data in each of the plurality of first hash functions to thereby calculate a plurality of first hash values; selecting, for the group of learning input data and for each of the plurality of first hash functions, a specific first hash value that satisfies a predetermined statistical condition from among the plurality of first hash values; setting a second hash function; substituting, for the group of learning input data, each specific first hash value in the second hash function to thereby calculate a plurality of second hash values; and generating a learning feature vector that indicates features of the group of learning input data by aggregating the plurality of second hash values corresponding to respective specific first hash values and obtained as a result of the calculation.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTDTOKYO JAPAN

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  • 2015 Application Filing Year
  • G06N Class
  • 2935 Applications Filed
  • 1770 Patents Issued To-Date
  • 60.31 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201520162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shibahara, Takuma Tokyo, JP 27 109

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges3012108101 - 1011 - 2031 - 40020406080100120140160180200220240260280300320

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