Span-based Joint Entity and Relation Extraction with Attention-based Span-specific and Contextual Semantic Representations

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Knowledge Triples

Source Entity	Relationship	Target Entity
Span Based Joint Extraction Models Method	evaluatedIn	ACE2005 Material
Span Based Joint Extraction Models Method	evaluatedIn	ADE Material
Span Based Joint Extraction Models Method	evaluatedIn	CoNLL2004 Material
Span Based Joint Extraction Models Method	performs	Entity Recognition Task
Span Based Joint Extraction Models Method	performs	Relation Extraction Task
Span Based Joint Extraction Models Method	uses	Attention Based Semantic Representations Method