ACE 2005 (ACE 2005 Multilingual Training Corpus)

ACE 2005 Multilingual Training Corpus contains the complete set of English, Arabic and Chinese training data for the 2005 Automatic Content Extraction (ACE) technology evaluation. The corpus consists of data of various types annotated for entities, relations and events by the Linguistic Data Consortium (LDC) with support from the ACE Program and additional assistance from LDC.

Source: https://catalog.ldc.upenn.edu/LDC2006T06

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Benchmarks

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Task	Dataset Variant	Best Model
Relation Extraction	ACE 2005	PL-Marker
Nested Named Entity Recognition	ACE 2005	BINDER
Named Entity Recognition (NER)	ACE 2005	Ours: cross-sentence ALB
Nested Mention Recognition	ACE 2005	BoningKnife
Event Extraction	ACE2005	DeepStruct multi-task
Joint Entity and Relation Extraction	ACE2005	DeepStruct multi-task
Named Entity Recognition (NER)	ACE2005	DeepStruct multi-task w/ finetune
Event Argument Extraction	ACE2005	NLI+
Joint Entity and Relation Extraction	ACE 2005	Ours: cross-sentence ALB