CMU-LTI at KBP 2015 Event Track

We describe CMU LTI’s participation in the KBP 2015 Event Track. We officially participated in Task 1: Event Nugget Detection track and Task 3: Event Coreference track. Our system rank high in both tracks. We found that our combined system is competitive but have room to improve. In addition, we have conducted follow up experiments by creating a simple piplined system, and We found it competitive comparing to the official submissions.