Unsupervised induction of frame-semantic representations

  • Authors:
  • Ashutosh Modi;Ivan Titov;Alexandre Klementiev

  • Affiliations:
  • Saarland University, Saarbrücken, Germany;Saarland University, Saarbrücken, Germany;Saarland University, Saarbrücken, Germany

  • Venue:
  • WILS '12 Proceedings of the NAACL-HLT Workshop on the Induction of Linguistic Structure
  • Year:
  • 2012

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Abstract

The frame-semantic parsing task is challenging for supervised techniques, even for those few languages where relatively large amounts of labeled data are available. In this preliminary work, we consider unsupervised induction of frame-semantic representations. An existing state-of-the-art Bayesian model for PropBank-style unsupervised semantic role induction (Titov and Klementiev, 2012) is extended to jointly induce semantic frames and their roles. We evaluate the model performance both quantitatively and qualitatively by comparing the induced representation against FrameNet annotations.