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Patent Searching and Data


Title:
QUESTION ANSWERING SYSTEM AND QUESTION ANSWERING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/000240
Kind Code:
A1
Abstract:
A question answering system (10) and a question answering method, which relate to the fields of artificial intelligence and NLP, and solve the problem of the accuracy rate of answers obtained by an existing DeepQA system not being high. The specific solution involves: the question answering system comprising a user interaction module (101) for receiving a question raised by a user; a section structure analysis module (102) for obtaining a first candidate answer set, obtained based on a section structure analysis algorithm, corresponding to the question; a feature statistics module (103) for obtaining a second candidate answer set, obtained based on a feature statistics algorithm, corresponding to the question; and a combination processing module (104) for performing combination processing on the first candidate answer set and the second candidate answer set, and selecting a candidate answer with the highest score after combination processing and taking same as the correct answer of the question, wherein the user interaction module (101) is also for feeding the correct answer back to the user. The method is used in a process of user question answering.

Inventors:
QIU ZHIHONG (CN)
BI SHUZHAN (CN)
WEI JIANSHENG (CN)
Application Number:
PCT/CN2017/090401
Publication Date:
January 03, 2019
Filing Date:
June 27, 2017
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G06F17/30
Foreign References:
CN105159996A2015-12-16
CN103605781A2014-02-26
CN1952928A2007-04-25
US6154720A2000-11-28
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (CN)
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