Time sequence knowledge graph prediction method fusing historical rules and curriculum enhanced embedding

By integrating historical rules and curriculum-intensive embedding methods, a new timing knowledge graph prediction method is proposed, which solves the shortcomings of existing methods in capturing rules and handling complex timing relationships, and achieves higher prediction accuracy and efficiency.

CN120163225APending Publication Date: 2025-06-17NANJING TECH UNIV
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Patent Information

Application Number
CN202510238071.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2025-06-17

AI Technical Summary

Technical Problem

The existing timing knowledge graph prediction methods have shortcomings in capturing rules in the graph and dealing with complex timing relationships, and how to reasonably introduce course learning to improve embedded prediction performance is still a difficult point.

Method used

A time sequence knowledge graph prediction method that integrates historical rules and course-strengthening embedding is proposed. The rules are extracted through the rule module and traversed the quadruple related to the rules for reasoning. The embedding module adopts course learning to adjust the training strategy, and gradually learns the information in the time sequence knowledge graph from simple to complex, and represents entities, relationships and time as vectors for prediction.

Benefits of technology

The prediction accuracy and efficiency in the timing prediction task were improved. The experimental results showed that the existing mainstream methods were better than the existing mainstream methods on the four public timing knowledge graph benchmark data sets, verifying the effectiveness and innovation of this method.

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Abstract

The invention discloses a time sequence knowledge graph prediction method fusing historical rules and curriculum enhanced embedding. The system comprises two modules, namely a rule module and an embedding module. The rule module (1) is used for extracting a time sequence rule through time filtering weighted sampling, introducing a sparse matrix and predicting an entity of a future timestamp by applying the rule; and (2) an embedding module which gradually represents entities, relationships and time as vectors from simple to complex through course learning, and generates predictions based on the embedded vectors. And (3) fusing prediction results of the two modules to obtain a final entity prediction probability. According to the method, the rule and the whole graph information are creatively combined, the problem that the historical graph information is difficult to comprehensively utilize in the existing time sequence knowledge graph prediction method is solved, and more comprehensive information integration is provided, so that the overall performance of time sequence knowledge graph prediction is improved.
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