Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KAWANO Hiroyuki,Knowledge Discovery and Data Mining,Journal of Japan Society for Fuzzy Theory and Systems,0915647X,Japan Society for Fuzzy Theory and Intelligent Informatics,1997,9,6,851-860,https://cir.nii.ac.jp/crid/1390282679312812416,https://doi.org/10.3156/jfuzzy.9.6_851