A quality evaluation method for the unstructured defect record of relay protection devices based on ontology and knowledge graph
The original unstructured record data for the defect of the bond no.9 nuits de noho relay protection devices (RPDs) may contain problems influencing the data mining, and it is lack of quantitative evaluation.So the purpose of this paper is to evaluate the quality of these defective texts of relay protection devices, and it proposes a text quality e