Viswanath Poosala Venkatesh Ganti Fast Approximate Query Answering Using Precomputed Statistics. 252 DiSC2_1/out/papers/icde/00710252.pdf 1999 ICDE db/conf/icde/icde99.html#PoosalaG99 conf/icde/99 db/conf/icde/PoosalaG99.html ... conf/vldb/PoosalaI97