Research Article

A Knowledge Graph System for the Maintenance of Coal Mine Equipment

Table 2

Comparison of experimental results.

ModelP (%)R (%)A (%)F1 (%)

Word2ve-LSTM79.9276.4878.8478.05
BiLSTM-CRF83.7782.9783.5383.38
BERT-CRF85.9184.9885.7585.44
BERT-BiLSTM-CRF88.5687.9188.4288.23