An Index Structure and Searching Techniques for Multidimensional Non-ordered Discrete Data Spaces.

Cheng Luo Zhewei Jiang Wen-Chi Hou Shan He Yi Yu An Index Structure and Searching Techniques for Multidimensional Non-ordered Discrete Data Spaces. 323-327 2009 IKE conf/ike/2009 db/conf/ike/ike2009.html#LuoJHHY09