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Question and answer analysis and processing method and system based on educational knowledge graph

A technology of knowledge graph and processing method, applied in the field of question and answer analysis and processing based on educational knowledge graph, which can solve the problems of lack of educational knowledge graph in the knowledge field of primary and secondary schools, inability to give accurate answers, inability to understand user intentions, etc., to improve semantics The effect of understanding accuracy, improving learning pertinence and learning efficiency

Active Publication Date: 2018-11-20
BEIJING NORMAL UNIVERSITY
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention is: to overcome the shortcomings of the prior art based on the keyword matching retrieval question and answer database that cannot understand the user's intention and cannot give accurate answers, and the lack of educational knowledge maps in the knowledge field of primary and secondary schools

Method used

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  • Question and answer analysis and processing method and system based on educational knowledge graph
  • Question and answer analysis and processing method and system based on educational knowledge graph
  • Question and answer analysis and processing method and system based on educational knowledge graph

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Abstract

The invention relates to a question and answer analysis and processing method and a question and answer analysis and processing system based on an educational knowledge graph. The system comprises aneducational knowledge graph building module, a question preprocessing module, a question and answer analysis and processing module and a post-processing module. The method and the system provide by the invention can achieve accurate answer aiming at the problems of education problems, are applicable to common education scenes, and also can be applied to self-study guidance of students, for improving learning interest and learning effect of the students.

Description

technical field [0001] The invention relates to a question-and-answer analysis and processing method and system based on an educational knowledge map, and belongs to the technical field of fusion of knowledge map technology and education. Background technique [0002] The question answering system based on knowledge graph has two core issues, front-end semantic understanding and back-end knowledge graph construction. The knowledge graph vividly describes the complex relationships between concepts and entities in the objective world in a structured form. At present, knowledge bases in various fields are gradually being constructed, but there is no educational knowledge map for primary and secondary school subjects. In the aspect of back-end knowledge graph construction, the present invention constructs an educational knowledge graph specifically for primary and secondary school subjects, and invents a knowledge point and relationship extraction algorithm in terms of front-en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06Q50/20
CPCG06Q50/20
Inventor 余胜泉陈锡洋陈鹏鹤卢宇
Owner BEIJING NORMAL UNIVERSITY
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