Zheng Xuan Loh Tok Wang Ling Chuan-Heng Ang Sin Yeung Lee Analysis of pre-computed partition top method for range top-k queries in OLAP data cubes. 60-67 2002 conf/cikm/2002 CIKM http://doi.acm.org/10.1145/584792.584806 db/conf/cikm/cikm2002.html#LohLAL02