UCD-S1: a hybrid model for detecting semantic relations between noun pairs in text

  • Authors:
  • Cristina Butnariu;Tony Veale

  • Affiliations:
  • University College Dublin, Belfield, Dublin, Ireland;University College Dublin, Belfield, Dublin, Ireland

  • Venue:
  • SemEval '07 Proceedings of the 4th International Workshop on Semantic Evaluations
  • Year:
  • 2007

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Abstract

We describe a supervised learning approach to categorizing inter-noun relations, based on Support Vector Machines, that builds a different classifier for each of seven semantic relations. Each model uses the same learning strategy, while a simple voting procedure based on five trained discriminators with various blends of features determines the final categorization. The features that characterize each of the noun pairs are a blend of lexical-semantic categories extracted from WordNet and several flavors of syntactic patterns extracted from various corpora, including Wikipedia and the WMTS corpus.