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

Table 2

Number and proportion of text length (in terms of number of characters) intervals in the three datasets.

Datasets	Length	0–20	20–30	30–40	40–60	60–80	>80
Bridge-FewRel	Num.	7926	3850	2195	4280	142	57
	Prop.	43%	21%	12%	23%	0.8%	0.2%
TinyRel-CM	Num.	28	93	174	348	290	424
	Prop.	2%	7%	12.8%	25.6%	21%	31.6%
FewRel 1.0	Num.	14905	27857	13238	0	0	0
	Prop.	27%	50%	23%	0%	0%	0%