Event Tracking

For multi-document summarization where docu- ments are collected over an extended period of time, the subject in a document changes over time. This paper focuses on subject shift and presents …...

This paper proposes a new task of cross-document event extraction and tracking and its evaluation metrics. We identify important person entities which are frequently involved in events as ‘centroid entities’. …...

AbstractIn this paper, we introduce LiveQA, a new question answering dataset constructed from play-by-play live broadcast. It contains 117k multiple-choice questions written by human commentators for over 1,670 NBA games, …...