@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 2024/09/20}}}