Unsupervised Learning of Ontology-Linked Selectional Preferences

  • Hiram Calvo
  • Alexander Gelbukh
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3287)

Abstract

We present a method for extracting selectional preferences of verbs from unannotated text. These selectional preferences are linked to an ontology (e.g. the hypernym relations found in WordNet), which allows for extending the coverage for unseen valency fillers. For example, if drink vodka is found in the training corpus, a whole WordNet hierarchy is assigned to the verb todrink (drink liquor, drink alcohol, drink beverage, drink substance, etc.), so that when drink gin is seen in a later stage, it is possible to relate the selectional preference drink vodka with drink gin (as ginis a co-hyponym of vodka). This information can be used for word sense disambiguation, prepositional phrase attachment disambiguation, syntactic disambiguation, and other applications within the approach of pattern-based statistical methods combined with knowledge. As an example, we present an application to word sense disambiguation based on the Senseval-2 training text for Spanish. The results of this experiment are similar to those obtained by Resnik for English.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Hiram Calvo
    • 1
  • Alexander Gelbukh
    • 1
    • 2
  1. 1.Center for Computing ResearchNational Polytechnic InstituteMéxico, D.F.México
  2. 2.Department of Computer Science and EngineeringChung-Ang UniversitySeoulKorea

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