VLDBJ - Volume 9, Number 3 Guest editorial Malcolm P. Atkinson Context-based prefetch - an optimization for implementing objects on relations Philip A. Bernstein Shankar Pal David Shutt Exploiting early sorting and early partitioning for decisionsupport query processing Jens Claussen Alfons Kemper Donald Kossmann Christian Wiesner One-dimensional and multi-dimensional substring selectivity estimation H. V. Jagadish Olga Kapitskaia Raymond T. Ng Divesh Srivastava Optimizing database architecture for the new bottleneck: memory access Stefan Manegold Peter A. Boncz Martin L. Kersten Online dynamic reordering Vijayshankar Raman Bhaskaran Raman Joseph M. Hellerstein Progressive evaluation of nested aggregate queries Kian-Lee Tan Cheng Hian Goh Beng Chin Ooi Return to VLDBJ issues listing DiSC'01 Copyright ©2002 ACM Inc.