Providing Definitive Learning Direction for Relation Classification System

Figure 3

Attention visualization comparison between original attention mechanism and entity pair-based attention mechanism. “Att” denotes the attention mechanism which employs a random-initialized vector to generate attention weights; “EAtt” stands for the proposed entity pair-based attention mechanism.

(a) Entity-Origin(e1,e2)

(b) Message-Topic(e2,e1)

(c) Component-Whole(e1,e2)

(d) Cause-Effect(e1,e2)

(e) Instrument-Agency(e2,e1)

(f) Cause-Effect(e1,e2)