conf/vldb/76 Frank Wm. Tompa Choosing an Efficient Internal Schema. 65-77 1976 VLDB db/conf/vldb/vldb76.html#Tompa76 db/conf/vldb/Tompa76.html VLDB76/P065.PDF ... journals/cacm/CohenZ74 ... ... journals/acta/GotliebT74 ... journals/sigplan/LiskovZ74 ... conf/vldb/YaoM75