On k-Nearest Neighbor Searching in Non-Ordered Discrete Data Spaces.

Dashiell Kolbe Qiang Zhu Sakti Pramanik On k-Nearest Neighbor Searching in Non-Ordered Discrete Data Spaces. 426-435 2007 conf/icde/2007 ICDE http://dx.doi.org/10.1109/ICDE.2007.367888 db/conf/icde/icde2007.html#KolbeZP07