Underspecification formalisms: Hole semantics as dominance constraints Alexander Koller author Joachim Niehren author Stefan Thater author 2003-04 text 10th Conference of the European Chapter of the Association for Computational Linguistics Ann Copestake editor Jan Hajič editor Association for Computational Linguistics Budapest, Hungary conference publication koller-etal-2003-underspecification https://aclanthology.org/E03-1024/ 2003-04