Ke Deng Xiaofang Zhou Heng Tao Shen Kai Xu 0003 Xuemin Lin Surface k-NN Query Processing. 78 2006 conf/icde/2006 ICDE http://doi.ieeecomputersociety.org/10.1109/ICDE.2006.152 db/conf/icde/icde2006.html#DengSXL06