Efficiency in Unification-Based N-Best Parsing Yi Zhang author Stephan Oepen author John Carroll author 2007-06 text Proceedings of the Tenth International Conference on Parsing Technologies Harry Bunt editor Paola Merlo editor Association for Computational Linguistics Prague, Czech Republic conference publication zhang-etal-2007-efficiency https://aclanthology.org/W07-2207/ 2007-06 48 59