Labeling Documents with Timestamps: Learning from their Time Expressions Nathanael Chambers author 2012-07 text Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Haizhou Li editor Chin-Yew Lin editor Miles Osborne editor Gary Geunbae Lee editor Jong C Park editor Association for Computational Linguistics Jeju Island, Korea conference publication chambers-2012-labeling https://aclanthology.org/P12-1011/ 2012-07 98 106