An interesting aspect of written Japanese that has not been well studied is the use of furigana, or reading cues, to assist linguistic processing of text. Difficulties in processing this material have led to the situation where it is sometimes considered more convenient to simply remove the parenthetical material rather than to process it. This paper describes a system that makes use of the furigana to assist with various tasks, including segmentation, word sense disambiguation and support for OOV items. The system reports an F-measure score of 93.3% on the task of matching the base text with its furigana.
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