Acquiring concept hierarchies of adjectives from corpora

  • Authors:
  • Kyoko Kanzaki;Qing Ma;Eiko Yamamoto;Tamotsu Shirado;Hitoshi Isahara

  • Affiliations:
  • National Institute of Information and Communications Technology, Kyoto, Japan;Ryukoku University, Seta, Otsu, Japan;National Institute of Information and Communications Technology, Kyoto, Japan;National Institute of Information and Communications Technology, Kyoto, Japan;National Institute of Information and Communications Technology, Kyoto, Japan

  • Venue:
  • ICCPOL'06 Proceedings of the 21st international conference on Computer Processing of Oriental Languages: beyond the orient: the research challenges ahead
  • Year:
  • 2006

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Abstract

We describe a method to acquire a distribution of the concepts of adjectives automatically by using a self-organizing map and a directional similarity measure. A means of evaluating concept hierarchies of adjectives extracted automatically from corpora is elucidated. We used Scheffe's method of paired comparison to test experimentally the validity of hierarchies thus obtained with human intuition and found that our method was effective for 43% of the hierarchies considered.