Kosuke Nishidate


2001

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Decision lists for determining adjective dependency in Japanese
Taiichi Hashimoto | Kosuke Nishidate | Kiyoaki Shirai | Takenobu Tokunaga | Hozumi Tanaka
Proceedings of Machine Translation Summit VIII

In Japanese constructions of the form [N1 no Adj N2], the adjective Adj modifies either N1 or N2. Determing the semantic dependencies of adjective in such phrase is an important task for machine translation. This paper describes a method for determining the adjective dependency in such constructions using decision lists, and inducing decision lists from training contexts with correct semantic dependencies and without. Based on evaluation, our method is able to determine adjective dependency with an precision of about 94%. We further analyze rules in the induced decision lists and examine effective features to determine the semantic dependencies of adjectives.