Regular Tree Grammars as a Formalism for Scope Underspecification Alexander Koller author Michaela Regneri author Stefan Thater 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 koller-etal-2008-regular https://aclanthology.org/P08-1026/ 2008-06 218 226