The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 23, 2021
Filed:
Nov. 20, 2017
Applicant:
Nippon Telegraph and Telephone Corporation, Chiyoda-ku, JP;
Inventors:
Atsushi Otsuka, Yokosuka, JP;
Katsuji Bessho, Yokosuka, JP;
Kyosuke Nishida, Yokosuka, JP;
Hisako Asano, Yokosuka, JP;
Yoshihiro Matsuo, Yokosuka, JP;
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/30 (2019.01); G06F 16/903 (2019.01); G06F 16/9032 (2019.01); G06N 3/04 (2006.01); G06F 16/00 (2019.01);
U.S. Cl.
CPC ...
G06F 16/90344 (2019.01); G06F 16/00 (2019.01); G06F 16/90332 (2019.01); G06N 3/04 (2013.01);
Abstract
Taking as input a group of text pairs for learning in which each pair is constituted with a first text for learning and a second text for learning that serves as an answer when a question is made with the first text for learning, a query expansion model is learned so as to generate a text serving as an expanded query for a text serving as a query.