A Chinese Named Entity Recognition Model of Maintenance Records for Power Primary Equipment Based on Progressive Multitype Feature Fusion

Table 1

Example of text labeling of maintenance records ( means clock 226 isolation switch fever tracking temperature measurement).

Morpheme	Named entity annotation	Morpheme	Named entity annotation
	B-EquipmentName		I-EquipmentName
2	I-EquipmentName		O
2	I-EquipmentName		O
6	I-EquipmentName		B-RepairCondition
	I-equipmentName		I-RepairCondition
	I-EquipmentName		I-RepairCondition
	I-EquipmentName		I-RepairCondition