Japanese morphological analyzer using word co-occurrence: JTAG

  • Authors:
  • Takeshi Fuchi;Shinichiro Takagi

  • Affiliations:
  • NTT Information and Communication Systems Laboratories, Yokosuka, Japan;NTT Information and Communication Systems Laboratories, Yokosuka, Japan

  • Venue:
  • COLING '98 Proceedings of the 17th international conference on Computational linguistics - Volume 1
  • Year:
  • 1998

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Abstract

We developed a Japanese morphological analyzer that uses the co-occurrence of words to select the correct sequence of words in an unsegmented Japanese sentence. The co-occurrence information can be obtained from cases where the system incorrectly analyzes sentences. As the amount of information increases, the accuracy of the system increases with a small risk of degradation. Experimental results show that the proposed system assigns the correct phonological representations to unsegmented Japanese sentences more precisely than do other popular systems.