Mark Levene George Loizou 80-125 TODS24/P080.PDF 1999 24 ACM Trans. Database Syst. 1 http://doi.acm.org/10.1145/310701.310712 db/journals/tods/tods24.html#LeveneL99 journals/tods/AhoBU79 conf/ifip/Armstrong74 journals/tods/AtzeniC89 books/bc/AtzeniA93 journals/iandc/AtzeniM86 journals/tods/BeeriB79 journals/jacm/BeeriFMY83 journals/siamcomp/BeeriH81 journals/tods/BeeriK86 conf/sigmod/BiskupDB79 ... persons/Codd71a journals/tods/Codd79 books/aw/Date95 journals/tods/DateF92 ... ... books/fm/GareyJ79 conf/vldb/Honeyman80 journals/jacm/ImielinskiL84 journals/ipl/JouF82 journals/ipl/KandziaM80 conf/pods/Kundu85 ... journals/acta/LeveneL97 ... ... journals/jacm/Lien82 journals/jcss/LucchesiO78 journals/jacm/Maier80 books/cs/Maier83 journals/tods/MaierMS79 journals/acta/MannilaR83 books/aw/MannilaR92 conf/icdt/NummenmaaT90 journals/ipl/Osborn79 conf/adbt/Reiter77 journals/tods/Rissanen77 conf/sigmod/Sciore81 conf/pods/Sciore83a ... ... books/cs/Ullman88 conf/focs/Vardi82 journals/ipl/Vardi84 ... journals/jcss/YuanO92