@inproceedings{inproceedings, title = {{Compacting the Penn Treebank Grammar.}}, publisher = {{Morgan Kaufmann Publishers / ACL}}, url = {{http://aclweb.org/anthology/P/P98/ }}, year = {{1998}}, month = {{1}}, author = {{Krotov A and Hepple M and Gaizauskas RJ and Wilks Y}}, journal = {{COLING-ACL}}, pages = {{699-703}}, note = {{Accessed on 2024/12/25}}}