Temporal relation extraction with contrastive prototypical sampling

Chenhan Yuan, Qianqian Xie, Sophia Ananiadou

Abstract: Highlights•A contrastive prototypical model in temporal relation extraction.•A memory queue method with two sample methods to track the support set of prototypes.•A document-graph context encoding layer to incorporate linguistic features.•The model improves the F1 of minority temporal classes compared to SOTA methods.