Evaluation method and system based on domain knowledge graph
A technology of domain knowledge and evaluation methods, applied in special data processing applications, unstructured text data retrieval, instruments, etc., can solve problems such as inability to objectively evaluate knowledge graphs, and achieve strict article review, cost savings, and extensive research content. Effect
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[0062] Such as figure 1 As shown, the evaluation method based on the domain knowledge graph of an embodiment of the present invention includes:
[0063] Obtain literature: For the domain knowledge graph DKG to be evaluated, obtain the core journals and general journal literature in the last N years in this field;
[0064] Expansion: expand the triple of the domain knowledge map DKG triple i to be evaluated, the entity words h and t are respectively expanded to obtain H1 and T1, and the relational word r is expanded to obtain R1, after expansion Combinations form the extended set Wi of triples. If H1 has m elements, T1 has n elements, and R1 has p elements, K=m×n×p triplets are generated through combination, and the entity words of each triplet in the triplet extension set Wi and related words are extracted and deduplicated to form a professional dictionary C in the field. If the number of triples in DKG is Z, the number of triples after expansion is
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