PDT 2.0 Requirements on a Query Language Jiří Mírovský author 2008-06 text Proceedings of ACL-08: HLT Johanna D Moore editor Simone Teufel editor James Allan editor Sadaoki Furui editor Association for Computational Linguistics Columbus, Ohio conference publication mirovsky-2008-pdt https://aclanthology.org/P08-1005/ 2008-06 37 45