Parsing Head-Driven Phrase Structure Grammar Derek Proudian author Carl Pollard author 1985-07 text 23rd Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Chicago, Illinois, USA conference publication proudian-pollard-1985-parsing 10.3115/981210.981231 https://aclanthology.org/P85-1021/ 1985-07 167 171