Semantic Role Assignment for Event Nominalisations by Leveraging Verbal Data

نویسندگان

  • Sebastian Padó
  • Marco Pennacchiotti
  • Caroline Sporleder
چکیده

This paper presents a novel approach to the task of semantic role labelling for event nominalisations, which make up a considerable fraction of predicates in running text, but are underrepresented in terms of training data and difficult to model. We propose to address this situation by data expansion. We construct a model for nominal role labelling solely from verbal training data. The best quality results from salvaging grammatical features where applicable, and generalising over lexical heads otherwise.

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تاریخ انتشار 2008