Few-Shot Relation Extraction via the Entity Feature Enhancement and Attention-Based Prototypical Network

Table 3

Experimental results on the TinyRel-CM dataset.

Models	Group	D-D	D-S	D-F	D-U	F-U	S-F
	N	N = 5	N = 2	N = 6	N = 6	N = 2	N = 6
GNN	K = 5	26.02	66.22	37.48	44.47	55.02	37.13
	K = 10	27.96	58.75	37.88	45.15	55.53	38.39
	K = 15	28.36	70.10	43.25	51.40	56.45	40.37
SNAIL	K = 5	24.64	58.55	28.57	29.05	53.30	27.88
	K = 10	27.38	57.12	27.85	33.50	55.60	30.52
	K = 15	23.84	57.40	30.63	35.75	56.35	30.43
Proto	K = 5	31.50	69.56	34.36	44.76	57.43	40.36
	K = 10	35.45	72.54	37.11	48.28	58.71	43.55
	K = 15	38.28	72.79	37.90	50.03	60.09	44.97
HATT	K = 5	38.21	75.00	46.67	54.17	73.75	44.17
	K = 10	44.45	71.24	49.37	51.67	75.00	49.17
	K = 15	49.61	80.41	44.33	56.67	72.58	49.17
MLMAN	K = 5	38.17	64.98	45.32	51.30	64.24	48.34
	K = 10	44.89	70.02	50.83	56.60	70.79	53.69
	K = 15	49.23	72.41	54.25	59.67	74.58	56.67
BERT-PAIR	K = 5	26.87	59.52	52.54	43.28	63.33	49.95
	K = 10	28.19	62.32	55.86	46.13	66.70	52.92
	K = 15	29.25	63.98	57.60	47.81	68.83	54.16
Ours	K = 5	52.47	66.98	69.25	71.03	71.21	65.20
	K = 10	60.63	72.17	71.41	75.76	78.36	69.15
	K = 15	65.40	73.73	71.76	78.20	80.38	71.22

Acc. %. The bold values represent the state-of-the-art results under the current settings.