Semi-supervised Dependency Parsing using Lexical Affinities

@inproceedings{Mirroshandel2012SemisupervisedDP,
  title={Semi-supervised Dependency Parsing using Lexical Affinities},
  author={Seyed Abolghasem Mirroshandel and Alexis Nasr and Joseph Le Roux},
  booktitle={ACL},
  year={2012}
}
Treebanks are not large enough to reliably model precise lexical phenomena. This deficiency provokes attachment errors in the parsers trained on such data. We propose in this paper to compute lexical affinities, on large corpora, for specific lexico-syntactic configurations that are hard to disambiguate and introduce the new information in a parser. Experiments on the French Treebank showed a relative decrease of the error rate of 7.1% Labeled Accuracy Score yielding the best parsing results on… CONTINUE READING

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  • Experiments on the French Treebank showed a relative decrease of the error rate of 7.1% Labeled Accuracy Score yielding the best parsing results on this treebank.

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