Steven Geffner Mirek Riedewald Divyakant Agrawal Amr El Abbadi Data Cubes in Dynamic Environments. 31-40 1999 22 IEEE Data Eng. Bull. 4 db/journals/debu/debu22.html#GeffnerRAA99 DEBU22-4/P31.pdf db/journals/debu/GeffnerRAA99.html conf/icde/AgrawalGS97 conf/vldb/ChanI99 ... ... conf/edbt/GeffnerAA00 conf/icde/GeffnerAAS99 journals/datamine/GrayCBLRVPP97 conf/sigmod/HoAMS97