D18-2013@ACL

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#1 CogCompTime: A Tool for Understanding Time in Natural Language [PDF] [Copy] [Kimi1] [REL]

Authors: Qiang Ning, Ben Zhou, Zhili Feng, Haoruo Peng, Dan Roth

Automatic extraction of temporal information is important for natural language understanding. It involves two basic tasks: (1) Understanding time expressions that are mentioned explicitly in text (e.g., February 27, 1998 or tomorrow), and (2) Understanding temporal information that is conveyed implicitly via relations. This paper introduces CogCompTime, a system that has these two important functionalities. It incorporates the most recent progress, achieves state-of-the-art performance, and is publicly available at http://cogcomp.org/page/publication_view/844.