... 2007.c2007 Association for Computational LinguisticsExploiting Structure for Event Discovery Using the MDI AlgorithmMartina NaughtonSchool of Computer Science & InformaticsUniversity College ... of theevent, and represent the extracted information intoa structured form (Grishman, 1997). The types ofevents to extract are known in advance. For exam-ple, “Attack” and “Death” are possible ... sentences ina document that refer to the event in question. Sec-ond, extract event arguments from these sentencesand finally represent the extracted information of theevent in a structured form.Particularly,...