Extraction of Definitions Using Grammar-Enhanced Machine Learning Eline Westerhout author 2009-04 text Proceedings of the Student Research Workshop at EACL 2009 Vera Demberg editor Yanjun Ma editor Nils Reiter editor Association for Computational Linguistics Athens, Greece conference publication westerhout-2009-extraction https://aclanthology.org/E09-3011/ 2009-04 88 96