Automatic extraction of NV expressions in Basque: basic issues on cooccurrence techniques

  • Authors:
  • Antton Gurrutxaga;Iñaki Alegria

  • Affiliations:
  • Elhuyar Foundation;IXA group/Univ. of the Basque Country

  • Venue:
  • MWE '11 Proceedings of the Workshop on Multiword Expressions: from Parsing and Generation to the Real World
  • Year:
  • 2011

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Abstract

Taking as a starting-point the development on cooccurrence techniques for several languages, we focus on the aspects that should be considered in a NV extraction task for Basque. In Basque, NV expressions are considered those combinations in which a noun, inflected or not, is co-occurring with a verb, as erabakia hartu ('to make a decision'), kontuan hartu ('to take into account') and buruz jakin ('to know by heart'). A basic extraction system has been developed and evaluated against two references: a) a reference which includes NV entries from several lexicographic works; and b) a manual evaluation by three experts of a random sample from the n-best lists.