A Unified Model Using Distantly Supervised Data and Cross-Domain Data in NER

Table 2

The results of models.

		EC			News			BC
Model	Data	P	R	F	P	R	F	P	R	F
Word embedding based
LSTM-CRF [7]	Hand	50.64	54.83	52.65	63.33	68.63	65.87	65.00	58.65	61.66
DS-PA-RL [8]	Hand + DS	58.93	60.69	59.80	75.94	76.10	76.02	73.94	78.95	76.36
CD-SHA [24]	Hand + CD	65.70	65.17	65.44	75.85	71.31	73.51	82.28	73.64	77.72
CD-ADV [14]	Hand + CD	64.09	63.49	63.79	71.03	76.15	73.50	72.79	74.43	73.60
DS-IPA-RL	Hand + DS	62.82	62.53	62.67	78.62	75.80	77.18	76.92	78.43	77.67
CD-RL	Hand + DS	66.82	66.67	66.74	83.63	74.30	78.69	82.30	75.81	78.92
PARE	Hand + DS + CD	66.99	68.78	67.87	83.87	76.12	79.80	82.56	79.06	80.77
BERT based
BERT-CRF [15]	Hand	80.14	80.30	80.22	98.17	97.36	97.76	94.64	92.99	93.81
SoftLexicon [25]	Hand	81.15	81.53	81.34	98.18	97.53	97.85	94.94	93.34	94.13
SCDL [26]	Hand + DS	81.33	81.64	81.48	98.08	97.74	97.91	94.95	93.54	94.24
Multicell [27]	Hand + CD	81.82	81.69	81.75	98.17	97.76	97.96	94.89	93.65	94.27
PARE-BERT	Hand + DS + CD	81.84	82.32	82.08	98.20	97.76	97.98	94.96	94.36	94.66