INFORMATION RETRIEVAL SYSTEM

WIPO Patent Application WO/2021/241603

A1

This information retrieval system is provided with a database (12), a question text accepting unit (26) for accepting a question text, an input search keyword extracting unit (44) for extracting an input search keyword from the question text, a common keyword dictionary (30) in which related keywords are recorded in association with one another, a local keyword dictionary (102) in which district keywords used in a specific district are recorded, a search candidate keyword reading unit (32) for reading out a keyword relating to the input search keyword, and a search executing unit (40) for carrying out search processing with respect to the database, using the input search keyword and the keyword relating to the input search keyword, wherein the search candidate keyword reading unit reads out a keyword relating to the input search keyword with reference to the common keyword dictionary if the input search keyword is not recorded in the local keyword dictionary.

TAKEMURA YUSUKE (JP)
KARIYA AKIRA (JP)
KUWABARA SATOSHI (JP)
ETO AYAKA (JP)
MOROOKA NOBUYUKI (JP)
SHIGEOKA DAIKI (JP)
TAKENAKA SHUDO (JP)
ITO DAIGO (JP)

PCT/JP2021/019887

December 02, 2021

May 25, 2021

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JFE STEEL CORP (JP)

G06F16/36; G06F16/383

JP2005182280A	2005-07-07
JP2009110231A	2009-05-21
JP2018200452A	2018-12-20
JP2014106523A	2014-06-09
US20140180670A1	2014-06-26
CN102426603A	2012-04-25
US20060230346A1	2006-10-12

ETO, AYAKA; MOROOKA, NOBUYUKI; TOMINAGA, FUTOSHI: "Development of Control Maintenance Support System", JFE TECHNICAL REPORT, vol. 45, no. 2, 28 February 2020 (2020-02-28), pages 54 - 58, XP009540855, ISSN: 1883-7263
See also references of EP 4141699A4

SUGIMURA Kenji (JP)

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