Mitsunori Matsushita Kumiyo Nakakoji Yasuhiro Yamamoto Tsuneaki Kato InTREND: An Interactive Tool for Reflective Data Exploration Through Natural Discourse. 148-155 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3214&spage=148 2004 conf/kes/2004-2 KES db/conf/kes/kes2004-2.html#MatsushitaNYK04