Predicting Unknown Time Arguments based on Cross-Event Propagation

Many events in news articles don't include time arguments. This paper describes two methods, one based on rules and the other based on statistical learning, to predict the unknown time argument for an event by the propagation from its related events. The results are promising

• Type: Journal
• Year: 2009
• Where: ACL
• Authors: Prashant Gupta, Heng Ji
• Keywords: ACL 2009, Computational Linguistics, Time Argument, Unknown Event Time, Unknown Time Argument