conf/vldb/83 Umeshwar Dayal Processing Queries Over Generalization Hierarchies in a Multidatabase System. 342-353 1983 VLDB db/conf/vldb/vldb83.html#Dayal83 db/conf/vldb/Dayal83.html VLDB83/P342.PDF journals/jacm/BernsteinC81 ... journals/tods/BernsteinGWRR81 ... conf/sigmod/ChanDFGRS83 journals/cacm/Codd70 persons/Codd72 journals/tods/Codd79 ... ... conf/sigmod/DayalG82 conf/pods/DayalGK82 conf/berkeley/DayalH82 journals/debu/DayalR82 conf/sigmod/EpsteinSW78 conf/sigmod/GoudaD81 journals/tse/HevnerY79 ... ... conf/er/KatzG81 conf/pods/JaeschkeS82 conf/ddb/LandersR82 journals/tods/RothnieBFGHLRSW80 conf/icod/SelingerA80 journals/tods/Shipman81 ... journals/tods/SmithS77 conf/berkeley/StonebrakerN77 conf/jcdkb/WilliamsDHLLNOSWWY82 ...