homepages/06/3051 conf/pimrc/CuiZ04 journals/vldb/CuiW03 conf/vldb/CuiW01 journals/tods/CuiWW00 conf/dmdw/CuiW00 conf/icde/CuiW00 conf/icde/CuiW00a conf/vldb/LabioYCGW00 journals/sigmobile/LamCCW98 conf/infocom/CuiLWC98