Question Answering based on Semantic Roles Michael Kaisser author Bonnie Webber author 2007-06 text ACL 2007 Workshop on Deep Linguistic Processing Timothy Baldwin editor Mark Dras editor Julia Hockenmaier editor Tracy Holloway King editor Gertjan van Noord editor Association for Computational Linguistics Prague, Czech Republic conference publication kaisser-webber-2007-question https://aclanthology.org/W07-1206/ 2007-06 41 48