Domain knowledge graph based on semantic triangle and query method

A technology of domain knowledge and graph, applied in semantic analysis, text database query, natural language data processing, etc., can solve problems such as semantic network confusion, user understanding barriers, and high cost, so as to improve query efficiency, reduce query cost, and facilitate sorting Effect
CN106874261AInactive Publication Date: 2017-06-20INST OF SOFTWARE - CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF SOFTWARE - CHINESE ACAD OF SCI
Publication Date
2017-06-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a domain knowledge graph based on a semantic triangle and a query method. The graph comprises a concept layer and an entity layer; the concept layer is composed of a set of concepts, and each concept has a unique identification and is represented by a represent word item and a candidate word item set; according to field related knowledge and the concept set of the concept layer, multiple entities corresponding to each concept are instantiated, the entity layer is formed, the entities are extensions of concepts, and each entity has a unique identification and is represented by a represent word item and a candidate word item set; an association relationship established according to the field related knowledge is set between the related concepts; an association relationship established according to the field related knowledge is set between the concept layer and the entity layer; an association relationship established according to the field related knowledge is set between the entities. By means of the method, separation of the concepts and the entities is achieved, knowledge summarization is convenient, different effects of the concepts and the entities in knowledge understanding and application are distinguished, and the query efficiency is improved.
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Description

technical field

[0001] The invention belongs to the field of artificial intelligence, and in particular relates to a semantic triangle-based domain knowledge map and a query method. Background technique

[0002] With the rapid development of Internet technology, human beings have successively experienced the "Web 1.0" era characterized by documents and the "Web 2.0" era characterized by data interconnection and data sharing, and are moving towards "Web 3.0" based on knowledge interconnection. era. Representing an understandable knowledge network in big data has become a major challenge in the modern Internet age. Similarly, the basis of human-computer interaction is to understand the user's speech information, infer the user's intention, and then return the result to the user by the machine. The knowledge graph emerged at the historic moment due to its powerful semantic processing ability and open interconnection ability. It can gather massive and heterogeneous data in the...

Claims

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