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Question and answer method and device based on knowledge graph, computer equipment and storage medium

A technology of knowledge map and computer program, which is applied in the field of computer equipment, storage media, devices, and question-and-answer methods based on knowledge map, which can solve problems such as inaccuracy and wrong answers of dependency trees, and achieve accurate target query maps, improve accuracy, The effect of widening the scope of the query

Active Publication Date: 2019-11-15
SHENZHEN ZHUIYI TECH CO LTD
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Problems solved by technology

[0004] Based on this, it is necessary to address the above technical problems and provide a question answering method, device, computer equipment and storage medium based on knowledge graphs that can avoid the problem of inaccurate answers caused by dependency tree errors

Method used

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  • Question and answer method and device based on knowledge graph, computer equipment and storage medium
  • Question and answer method and device based on knowledge graph, computer equipment and storage medium
  • Question and answer method and device based on knowledge graph, computer equipment and storage medium

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Embodiment Construction

[0066] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0067] The question answering method based on the knowledge map provided by this application can be applied to such as figure 1 shown in the application environment. The application environment includes terminals, which can be but not limited to various personal computers, notebook computers, smart phones, tablet computers and portable wearable devices. In this application environment, when a user has a question, he can input the question into the terminal, and the terminal will answer the user's question.

[0068] In one embodiment, such as figure 2 As shown, a questi...

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Abstract

The invention relates to a knowledge graph-based question and answer method and device, computer equipment and a storage medium. The method comprises the steps of obtaining a user question; searchinga plurality of target vocabularies from a preset knowledge graph according to the user questions; constructing a target query graph according to the plurality of target vocabularies and the ontology;and querying an answer corresponding to the user question in the preset knowledge graph according to the target query graph, and feeding back the answer. According to the embodiment of the invention,the knowledge graph contains a large amount of information, the query range can be expanded, so that the accuracy of answers is improved, and the ontology comprises concepts and interrelationships ina specific field, so that the constructed target query graph is more accurate, and the accuracy of the answers can be further improved.

Description

technical field [0001] The present application relates to the technical field of data processing, in particular to a knowledge map-based question answering method, device, computer equipment and storage medium. Background technique [0002] Knowledge Graph, known as knowledge domain visualization or knowledge domain mapping map in the library and information industry, is a series of different graphics showing the knowledge development process and structural relationship, using visualization technology to describe knowledge resources and their carriers, mining , analyze, construct, map and display knowledge and their interconnections. A question answering system based on knowledge graphs can automatically find answers based on user questions. [0003] In related technologies, dependency syntax analysis is used to analyze user questions and build a dependency tree, and then find answers according to the dependency tree. If there is an error in the result of dependency parsin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/33G06F16/31G06F16/332G06F16/36
CPCG06F16/322G06F16/3329G06F16/3344G06F16/367
Inventor 马工利蔡国庆
Owner SHENZHEN ZHUIYI TECH CO LTD
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