%0 Journal Article %T A data model for regions with indeterminate boundaries %A NHANVu-thi-hong %A CHIJeong-hee %A RYUKeun-ho %J 重庆邮电大学学报(自然科学版) %D 2004 %K fuzzy %K region %K spatial %K object %K GIS %U http://journal.cqupt.edu.cn/jcuptnse/jcuptnse/ch/reader/view_abstract.aspx?file_no=20040518&flag=1