[multidimension.rar]
M-Tree (P.Ciaccia VLDB’1997) VA-File (R. Weber VLDB’1998) Pyramid-Tree(S.Berchtold SIGMOD’1998) hybrid-Tree(K.Chakrabarti ICDE’1999) A-Tree (Y. Sakurai VLDB’2000) IQ-Tree (S. Berchtold ICDE’2000) (2007-11-27, Visual C++, 923KB, 6次)