Identifying Temporal Relations by Sentence and Document Optimizations Katsumasa Yoshikawa author Masayuki Asahara author Ryu Iida author 2012-12 text Proceedings of COLING 2012: Posters Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication yoshikawa-etal-2012-identifying https://aclanthology.org/C12-2134/ 2012-12 1371 1380