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.

Date of Patent:
Mar. 23, 2021

Filed:

Dec. 24, 2018
Applicants:

Peking University, Beijing, CN;

Tencent Technology (Shenzhen) Company Limited, Shenzhen, CN;

Inventors:

Lei Zou, Shenzhen, CN;

Tingting Liu, Shenzhen, CN;

Yanxiong Lu, Shenzhen, CN;

Huaijun Liu, Shenzhen, CN;

Ruizhe Huang, Shenzhen, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 16/33 (2019.01); G06F 16/36 (2019.01); G06F 16/31 (2019.01); G06F 40/242 (2020.01);
U.S. Cl.
CPC ...
G06F 16/3334 (2019.01); G06F 16/322 (2019.01); G06F 16/36 (2019.01); G06F 40/242 (2020.01);
Abstract

Natural language question answering method and apparatus in the field of information retrieval and processing are provided. The method includes: acquiring a natural language question N; converting the natural language question N into a query semantic graph Q, each edge in the query semantic graph Qrepresenting one semantic relation in the natural language question N; searching an RDF graph G for a subgraph matching the query semantic graph Q; and obtaining an answer to the natural language question N according to the subgraph.


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