Francesco Buccafurri Domenico Rosaci Luigi Pontieri Domenico Saccà Improving Range Query Estimation on Histograms. 628-638 2002 conf/icde/2002 ICDE http://doi.ieeecomputersociety.org/10.1109/ICDE.2002.994780 db/conf/icde/icde2002.html#BuccafurriRPS02