Abstract
We compare the CCG parser of Clark and Curran (2007) with a state-of-the-art Penn Treebank (PTB) parser. An accuracy comparison is performed by converting the CCG derivations into PTB trees. We show that the conversion is extremely difficult to perform, but are able to fairly compare the parsers on a representative subset of the PTB test section, obtaining results for the CCG parser that are statistically no different to those for the Berkeley parser. © 2009 ACL and AFNLP.
Cite
CITATION STYLE
Clark, S., & Curran, J. R. (2009). Comparing the accuracy of CCG and Penn Treebank parsers. In ACL-IJCNLP 2009 - Joint Conf. of the 47th Annual Meeting of the Association for Computational Linguistics and 4th Int. Joint Conf. on Natural Language Processing of the AFNLP, Proceedings of the Conf. (pp. 53–56). Association for Computational Linguistics (ACL). https://doi.org/10.3115/1667583.1667601
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