Automatic Detection of Causal Relations for Question Answering Roxana Girju author 2003-07 text Proceedings of the ACL 2003 Workshop on Multilingual Summarization and Question Answering Association for Computational Linguistics Sapporo, Japan conference publication girju-2003-automatic 10.3115/1119312.1119322 https://aclanthology.org/W03-1210/ 2003-07 76 83