Multiword Expressions in Statistical Dependency Parsing

  title={Multiword Expressions in Statistical Dependency Parsing},
  author={G{\"u}lçen Erygit and Tugay Ilbay and Ozan Arkan Can},
In this paper, we investigated the impact of extracting different types of multiword expressions (MWEs) in improving the accuracy of a data-driven dependency parser for a morphologically rich language (Turkish). We showed that in the training stage, the unification of MWEs of a certain type, namely compound verb and noun formations, has a negative effect on parsing accuracy by increasing the lexical sparsity. Our results gave a statistically significant improvement by using a variant of the… CONTINUE READING
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