Abstract:Event Detection (ED) aims to identify mentions/triggers of real world events in text. In the literature, this task is modeled as a sequencelabeling or word-prediction problem. In this work, we present a novel formulation in which ED is modeled as a word-label alignment task. In particular, given the words in a sentence and possible event types, the objective is to infer an alignment matrix in which event trigger words are aligned with the most likely event types. Moreover, we show that this new perspective fac… Show more
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