We define a dynamic oracle for the Cov-ington non-projective dependency parser. This is not only the first dynamic oracle that supports arbitrary non-projectivity, but also considerably more efficient (0(n)) than the only existing oracle with restricted non-projectivity support. Ex-periments show that training with the dy-namic oracle significantly improves pars-ing accuracy over the static oracle baseline on a wide range of treebanks.
CITATION STYLE
Gómez-Rodríguez, C., & Fernández-González, D. (2015). An efficient dynamic oracle for unrestricted non-projective parsing. In ACL-IJCNLP 2015 - 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing of the Asian Federation of Natural Language Processing, Proceedings of the Conference (Vol. 2, pp. 256–261). Association for Computational Linguistics (ACL). https://doi.org/10.3115/v1/p15-2042
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