title: the x-tree : an index structure for high-dimensional data. authors: s berchtold , d keim , h kriegel. venue: vldb. year: 1996
title: ã cents â ? ¬ å?the x-tree : an index structure for high-dimensional dataã cents â ? ¬ â ?. authors: s berchtold , d keim , hp kriegel. venue: proceedings of the 22nd vldb. year: nan