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Intelligent question and answer method and device based on knowledge graph and computer equipment

A technology of knowledge graph and intelligent question answering, which is applied in computing, natural language data processing, special data processing applications, etc. It can solve problems such as slow intent recognition, achieve fast query speed, improve feedback speed, and accurate results

Pending Publication Date: 2020-09-15
CHINA PING AN LIFE INSURANCE CO LTD
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Problems solved by technology

[0003] The main purpose of this application is to provide a question answering method, device, computer equipment, and storage medium based on knowledge graphs, aiming to solve the problem that the question answering system in the prior art recognizes the intention of the question slowly

Method used

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  • Intelligent question and answer method and device based on knowledge graph and computer equipment
  • Intelligent question and answer method and device based on knowledge graph and computer equipment
  • Intelligent question and answer method and device based on knowledge graph and computer equipment

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Embodiment Construction

[0046] In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

[0047] refer to figure 1 , the embodiment of the present application provides a kind of intelligent question answering method based on knowledge graph, including steps:

[0048] S1. Receive the question text online;

[0049] S2, extracting the first entity in the question text; and,

[0050] S3, searching for the first node corresponding to the first entity in the preset knowledge graph;

[0051] S4, identify the first intention of the question text using a preset intention recognition rule engine, wherein the intention recognition rule engine is an engine establish...

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Abstract

The invention relates to artificial intelligence, and provides an intelligent question-answering method and device based on a knowledge graph, and computer equipment, and the method comprises the steps: receiving a question text online; extracting a first entity in the question text; searching a first node corresponding to the first entity in a preset knowledge graph; utilizing a preset intentionrecognition rule engine to recognize a first intention of the question text, the intention recognition rule engine being an engine established according to a Trie tree; searching a first answer corresponding to the question text in the knowledge graph by taking the first node as a starting point according to the first intention; and feeding back the first answer according to a preset mode. When intelligent questioning and answering are realized, intention recognition can be quickly carried out through an intention recognition rule engine established based on a Trie tree, and the feedback speedof a questioning and answering system is increased. The natural language is mapped to the knowledge graph for structured query, the query speed is higher, and the result is more accurate.

Description

technical field [0001] The present application relates to the field of artificial intelligence, and in particular to a knowledge graph-based intelligent question answering method, apparatus and computer equipment. Background technique [0002] The text-based question answering system uses the retrieval method to search for relevant information from the corpus, which has many defects. First, the corpus is stored in the form of original text in the corpus, and each corpus exists relatively independently, so there is no relationship between the corpus. Secondly, the information and knowledge contained in the corpus is scattered and has no hierarchy, so it is impossible to use information such as the correlation of knowledge itself and the upper and lower relationship in the question and answer to reason and generalize, and the speed of intention recognition is slow. SUMMARY OF THE INVENTION [0003] The main purpose of this application is to provide a question answering meth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/332G06F16/36G06F16/31G06F40/279G06F40/205
CPCG06F16/3329G06F16/367G06F16/322G06F40/279G06F40/205
Inventor 白祚赖坤锋董光喆赵亮孙梓淇罗炳峰尹曦费行健
Owner CHINA PING AN LIFE INSURANCE CO LTD
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