Yasutomo Kimura Kenji Araki Koji Tochinai Evaluation of Japanese Dialogue Processing Method Based on Similarity Measure Using tf· AoI. 371-382 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2945&spage=371 2004 conf/cicling/2004 CICLing db/conf/cicling/cicling2004.html#KimuraAT04