公开(公告)号：EP4024263A1

公开(公告)日：2022-07-06

申请号：EP21209157.3

申请日：2021-11-18

申请人： Xiamen Meiya Pico Information Co., Ltd

发明人： YUAN, Quan ,  WANG, Dian ,  GUO, Guifeng ,  QIAO, Sheng ,  FU, Jinzheng

IPC分类号： G06F40/247 ,  G06F40/284 ,  G06F40/30 ,  G06F16/35 ,  G06F16/36 ,  G06N5/02

摘要： The present application relates to a method of dynamic maintenance of a knowledge graph, a terminal device and a storage medium. The method comprises: S1: acquiring business data; S2: loading a thesaurus file, and extracting knowledge from the business data according to the thesaurus file; S3: converting the thesaurus into concepts in ontologies and relationships between concepts; S4: classifying the extracted knowledge into specific concepts in the thesaurus; S5: establishing new knowledge ontologies and relationships between knowledge ontologies according to the knowledge and concepts associated with the knowledge in the thesaurus; S6: merging new knowledge ontologies and relationships with existing knowledge ontologies and relationships; S7: updating the knowledge graph and the thesaurus according to the knowledge ontologies after merging; S8: for new business features, codes or non-formatted descriptions, extracting descriptors according to semantic analysis, extending the thesaurus constitution following the classification principle of the thesaurus, and then repeating step S2 ~ S7. The present application solves the problems of lag, inflexible expansion and low efficiency in a knowledge map update.