From phoneme to morpheme: another verification using a corpus

  • Authors:
  • Kumiko Tanaka-Ishii;Zhihui Jin

  • Affiliations:
  • Graduate School of Information Science and Technology, University of Tokyo;Graduate School of Information Science and Technology, University of Tokyo

  • 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 scientifically test Harris's hypothesis that morpheme/ word boundaries can be detected from changes in the complexity of phoneme sequences. We re-formulate his hypothesis from a more information theoretic viewpoint and use a corpus to test whether the hypothesis holds. We found that his hypothesis holds for morphemes, with an F-score of about 80%, in both English and Chinese. However, we obtained contrary results for English and Chinese with regard to word boundaries; this reflects a difference in the nature of the two languages.