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:
Feb. 27, 2024
Filed:
Aug. 07, 2020
Applicant:
Ntt Docomo, Inc., Chiyoda-ku, JP;
Inventors:
Assignee:
NTT DOCOMO, INC., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/00 (2019.01); G06F 16/2457 (2019.01); G06F 16/248 (2019.01); G06F 16/28 (2019.01); G06F 16/335 (2019.01);
U.S. Cl.
CPC ...
G06F 16/24578 (2019.01); G06F 16/248 (2019.01); G06F 16/285 (2019.01); G06F 16/335 (2019.01);
Abstract
Provided is a re-ranking device that enables a re-ranking process with less possibility of decrease in accuracy due to shortage of data. A re-ranking deviceincludes an input unitthat receives a search query from one user, a re-ranking model storage unitthat stores a plurality of re-ranking models prepared in accordance with common information of a plurality of users, a search unitthat performs a search on the basis of the search query and obtains a search result, and a re-ranking processing unitthat selects one re-ranking model on the basis of common information of the one user and performs a re-ranking process on the search result using the one re-ranking model.