%0 Journal Article %T An efficient selectivity estimation method for spatial query optimization with topological relationships %A CHUNGWarn-il %A CHOIJun-ho %A BAEHae-young %J 重庆邮电大学学报(自然科学版) %D 2004 %K seleclivity %K estimation %K topolgical %K relationships %K spatial %K data %U http://journal.cqupt.edu.cn/jcuptnse/jcuptnse/ch/reader/view_abstract.aspx?file_no=20040522&flag=1