The ACL Anthology Searchbench Ulrich Schäfer author Bernd Kiefer author Christian Spurk author Jörg Steffen author Rui Wang author 2011-06 text Proceedings of the ACL-HLT 2011 System Demonstrations Sadao Kurohashi editor Association for Computational Linguistics Portland, Oregon conference publication schafer-etal-2011-acl https://aclanthology.org/P11-4002/ 2011-06 7 13