Title:
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, INFORMATION PROCESSING PROGRAM, AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2013/180121
Kind Code:
A1
Abstract:
In order to extract a category that is highly relevant to a keyword combination consisting of a plurality of keywords, this information processing device extracts, from a plurality of categories that are hierarchically organized in a tree structure, a category for which the number of times that the category was designated as a search condition along with a first keyword is greater than or equal to a first threshold. Then, the information processing device extracts, from categories corresponding to descendants of the extracted category, a category for which the number of times that the category was designated as a search condition along with a second keyword is greater than or equal to a second threshold as a category relevant to the combination of the first keyword and the second keyword.
Inventors:
HIRATE YU (JP)
Application Number:
PCT/JP2013/064754
Publication Date:
December 05, 2013
Filing Date:
May 28, 2013
Export Citation:
Assignee:
RAKUTEN INC (JP)
International Classes:
G06F17/30
Foreign References:
| JP2002251413A | 2002-09-06 | |||
| JP2006092214A | 2006-04-06 | |||
| JP2011141865A | 2011-07-21 | |||
| JP2000194722A | 2000-07-14 |
Attorney, Agent or Firm:
INTECT INTERNATIONAL PATENT OFFICE et al. (JP)
Patent business corporation Intect International Patent Office (JP)
Patent business corporation Intect International Patent Office (JP)
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