Title:
INFORMATION RETRIEVAL APPARATUS, INFORMATION RETRIEVAL METHOD, AND INFORMATION RETRIEVAL PROGRAM
Document Type and Number:
WIPO Patent Application WO/2016/031055
Kind Code:
A1
Abstract:
This information retrieval apparatus executes: identification processing for tracing a path in search of a retrieval keyword group in tree-structured data constructed by hierarchizing, in the form of nodes, a title and paragraphs in a document on the basis of text information in the document to identify the positions of retrieval keywords along said path in the tree-structured data; calculation processing for calculating an evaluation value regarding the accuracy of identification of said retrieval keyword group on the basis of the positions of the retrieval keywords along the path in the tree-structured data, said positions being identified by the identification processing; and display processing for displaying the location of a description corresponding to the path in the document on the basis of the evaluation value calculated by the calculation processing.
Inventors:
SEKI MINENOBU (JP)
KOBAYASHI YOSHIYUKI (JP)
KOBAYASHI YOSHIYUKI (JP)
Application Number:
PCT/JP2014/072762
Publication Date:
March 03, 2016
Filing Date:
August 29, 2014
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G06F17/30
Domestic Patent References:
| WO2009048130A1 | 2009-04-16 |
Foreign References:
| JP2008146209A | 2008-06-26 | |||
| JPH07225770A | 1995-08-22 |
Attorney, Agent or Firm:
TOU-OU PATENT FIRM (JP)
Patent business corporation 藤央特許事務所 (JP)
Patent business corporation 藤央特許事務所 (JP)
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