SIGIR'98 posters: Comparison between Proximity Operation and Dependency
Operation in Japanese Full-Text Retrieval
Comparison between Proximity Operation and Dependency Operation in Japanese
Full-Text Retrieval
Yasuaki Hyoudo
Dept. Information Science,
Gifu University ,
1-1 Yanagido, Gifu-shi, Japan.
Kazuhiko Niimi
Dept. Information Science,
Gifu University ,
1-1 Yanagido, Gifu-shi, Japan.
Takashi Ikeda
Dept. Information Science,
Gifu University ,
1-1 Yanagido, Gifu-shi, Japan.
Abstract
In this paper we propose a full-text retrieval for Japanese document using
dependency relation between words and evaluate it comparing to proximity
operation. The proximity relation has been used as an approximation to
syntactic or semantic relation because syntactic or semantic analysis with
high accuracy has still been a high-cost task for a computer. We have
developed the method of skeletal syntactic analysis for Japanese and apply
it to the full-text retrieval. The figures of the index size, response time
and accuracy of retrieval of our experiment show the effectiveness of the
use of dependency relation.
SIGIR'98
24-28 August 1998
Melbourne, Australia.
sigir98@cs.mu.oz.au.