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Answer positioning method and device based on in-depth question answering

A technology of in-depth question answering and positioning methods, applied in the Internet field, can solve problems such as the inability of users to display the required answers

Active Publication Date: 2020-05-22
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing search engine technology can only provide users with highly relevant web pages as search results through information retrieval and document summarization technology. , and find the answer by itself in the redundant text
Therefore, the existing technology cannot intuitively and clearly present the desired answer to the user

Method used

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  • Answer positioning method and device based on in-depth question answering
  • Answer positioning method and device based on in-depth question answering

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Embodiment Construction

[0043] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and scope of the appended claims.

[0044] With the development of network information technology, users' demand for search engines is no longer satisfied with the basic recall of relevant web pages, and has begun to change to the direction of intelligent question and answer. For example, when a user inputs a query sentence "why is seawater salty" through a search engine, it is hoped that the reason ...

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Abstract

The present invention proposes an answer positioning method and device based on in-depth question and answer, wherein the method includes: receiving an input query statement; parsing the query statement to generate a semantic analysis tree corresponding to the query statement; using a pre-established matching library, Match the semantic parsing tree to obtain the alignment probability of the candidate answer in the matching library and the semantic parsing tree; determine the final answer according to the alignment probability. Through the present invention, the process of clicking links and searching for answers in lengthy texts can be avoided by users, the answers required by users can be displayed intuitively and clearly, and the search service requirements of users can be deeply satisfied.

Description

technical field [0001] The present invention relates to the technical field of the Internet, in particular to a method and device for locating answers based on in-depth questions and answers. Background technique [0002] Deep Question and Answer (DeepQA) refers to understanding human language, intelligently identifying the meaning of questions, and extracting answers to questions from massive Internet data. [0003] With the rapid development of the Internet, the functions of search engines are becoming more and more powerful, and users have higher and higher expectations for search engines, starting to change from basic relevant web page recall to intelligent question answering. When a user enters a question to be queried through a search engine, the search result that is expected to be obtained is no longer a relevant web page, but an answer to the question can be obtained directly. [0004] However, the existing search engine technology can only provide users with highl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/332G06F16/33
CPCG06F16/3329G06F16/3344G06F16/243G06F40/289G06F40/30G06F16/3346G06F16/24578G06F40/205
Inventor 孙兴武李兴建
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD
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