INFORMATION SEARCH SYSTEM

WIPO Patent Application WO/2021/241602

A1

Provided is an information search system in which fast search is possible, even when the system is commonly used in a plurality of districts. The information search system comprises: a database (12) which stores a plurality of pieces of information from which text can be searched; a question sentence reception unit (26) which receives a question sentence in a natural language format; an input search keyword extraction unit (44) which extracts an input search keyword from the question sentence; a search execution unit (40) which executes a search process for the database by using the input search keyword and a keyword related to the input search keyword; a local management device (100) which stores materials of the districts to the local database (104); and an information management device (110) which executes a character extraction process for the materials stored in the local database and file format conversion according to the size of the materials, stores the execution result to a transitory storage unit as a material for storage, and outputs the material for storage to the database.

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/JP2021/019885

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
JP2005165986A	2005-06-23
JP2003114855A	2003-04-18
US20090313574A1	2009-12-17

ETO, AYAKA ET AL.: "Development of Control Maintenance Support System", JFE TECHNICAL REPORT, 28 February 2020 (2020-02-28), pages 54 - 58, XP009540855
See also references of EP 4145302A4

SUGIMURA Kenji (JP)

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