Kyu-Young Whang Sang-Wook Kim Gio Wiederhold VLDB J. 3 1 1994 29-51 VLDBJ3/P029.pdf db/journals/vldb/vldb3.html#WhangKW94 db/journals/vldb/WhangKW94.html journals/tods/AstrahanBCEGGKLMMPTWW76 conf/icde/ChenMM90 journals/is/Christodoulakis83 journals/tods/FaginNPS79 conf/sigmod/Freeston87 conf/sigmod/IoannidisC91 journals/csur/ManninoCS88 conf/sigmod/MuralikrishnaD88 conf/acm/MuthuswamyK85 journals/tods/NievergeltHS84 conf/vldb/Otoo84 conf/pods/Otoo86 conf/sigmod/Piatetsky-ShapiroC84 conf/sigmod/Robinson81 conf/pods/Robinson86 conf/sigmod/SelingerACLP79 ... conf/vldb/ZandenTB86 ... journals/tods/WhangK90 journals/tods/WhangVT90 conf/dasfaa/WhangK91 ... books/mg/Wiederhold87