Natural language question answering method and system based on question sentence and knowledge graph structure analysis
A natural language and knowledge graph technology, applied in the fields of graph computing and natural language question answering, can solve the problems of low query accuracy and achieve the effects of simplifying query operations, simple and accurate construction, and improving accuracy
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[0057] In order to make the object, technical solution and advantages of the present invention clearer, the present invention 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 invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0058] The present invention proposes a natural language question answering method and system based on structural analysis of questions and knowledge graphs. The method traverses the parsing tree of natural language questions by implementing a node-centered strategy, and extracts key words according to customized rules. Information, so as to construct a query graph that fully expresses the meani...
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