Serge Abiteboul Catriel Beeri VLDB J. 4 4 1995 727-794 VLDBJ4/P727.pdf db/journals/vldb/vldb4.html#AbiteboulB95 db/journals/vldb/AbiteboulB95.html journals/jcss/AbiteboulB86 ... conf/edbt/AbiteboulG88 conf/icdt/AbiteboulH95 conf/icdt/AbiteboulH86 journals/tods/AbiteboulH87 books/aw/AbiteboulHV95 conf/sigmod/AbiteboulK89 conf/popl/AhoU79 books/mk/minker88/AptBW88 journals/cacm/Backus78 conf/dbpl/BancilhonCD89 ... conf/pods/BeeriM92 conf/pods/BeeriNRST87 journals/jlp/BeeriNST91 conf/icdt/TannenBW92 journals/sigmod/BunemanLSTW94 ... journals/jcss/ChandraH80 journals/dke/CluetDLR90 journals/cacm/Codd70 ... journals/jacm/Paola69a journals/jacm/Fagin82 ... ... conf/pods/GrumbachV91 conf/sigmod/GyssensG88 journals/tods/HammerM81 conf/lics/HillebrandKM93 conf/lics/HillebrandKM93 ... journals/jcss/HullS91 journals/jacm/HullY84 journals/jacm/Jacobs82 conf/pods/JaeschkeS82 journals/jacm/Klug82 ... journals/tods/RothKS88 conf/pods/Kuper87 conf/pods/Kuper88 conf/pods/KuperV84 journals/tcs/KuperV93 conf/dbpl/LibkinW93 conf/dbpl/LibkinW93a conf/pods/LibkinW94 journals/is/Macleod81 conf/vldb/Makinouchi77 ... ... journals/tods/OzsoyogluOM87 conf/pods/ParedaensG88 books/ph/Jones87 journals/is/SchekS86 conf/pods/SuciuP94 conf/dbpl/Trinder91 books/cs/Ullman82 books/mk/minker88/Gelder88 conf/pods/GelderT87 journals/ipl/Vardi81 ... conf/pods/Wong93