NLP/Event-Extraction
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@ -9,3 +9,6 @@ EN Task 3: Event Nugget Coreference: This task is to identify Full Event Corefer
EA Task 1: Event Argument Extraction and Linking: Systems in this task aim to extract information about entities (and times) and the role they play in an event and then link those arguments that participate in the same event. Participating systems will extract tuples that include (EventType, Role, Argument) and group these tuples so that, for example the date, location and thing purchased of the same transaction event appear in the same frame. EventType and Role will be drawn from an externally specified ontology that is based on ACE 2005 and Rich ERE. Arguments will be strings from within a document representing the canonical (most-specific) name or description of the entity.
EA Task 2: Event Argument Verification and Linking: This task is designed to allow participants to explore approaches to event argument linking without building their own event argument extraction systems. It also allows participants to explore approaches that improve the precision of extracted event arguments via system combination and/or verification algorithms. The output of this task is identical to that of EA Task 1 (Event Argument Extraction and Linking). Participants in this task will receive unlinked argument extraction output from all EA Task 1 participants.
data link:https://tac.nist.gov//2015/KBP/Event/index.html