Evaluating the Accuracy of an Unlexicalized Statistical Parser on the PARC DepBank Ted Briscoe author John Carroll author 2006-07 text Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions Association for Computational Linguistics Sydney, Australia conference publication briscoe-carroll-2006-evaluating https://aclanthology.org/P06-2006/ 2006-07 41 48