Data analysis device, data analysis method, and recording medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 5, 2021
Grant Date -
Feb 1, 2018
app pub date -
Sep 30, 2015
filing date -
Feb 18, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
HITACHI LTD | TOKYO JAPAN |
International Classification(s)

- 2015 Application Filing Year
- G06N Class
- 2935 Applications Filed
- 1770 Patents Issued To-Date
- 60.31 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Shibahara, Takuma | Tokyo, JP | 27 | 109 |
# of filed Patents : 27 Total Citations : 109 |
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Patent Citation Ranking
- 0 Citation Count
- G06N Class
- 0 % this patent is cited more than
- 4 Age
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