Catriel Beeri Data Models and Languages for Databases. 19-40 ICDT1988/P019.pdf 1988 ICDT db/conf/icdt/icdt88.html#Beeri88 conf/icdt/88 http://dx.doi.org/10.1007/3-540-50171-1_2 journals/vldb/AbiteboulB95 journals/jcss/AbiteboulB86 conf/nf2/AbiteboulBGG87 conf/edbt/AbiteboulG88 journals/tcs/Ait-Kaci86 conf/popl/AhoU79 books/mk/minker88/AptBW88 journals/cacm/Backus78 conf/pods/Bancilhon88 conf/sigmod/BancilhonR86 conf/pods/BancilhonK86 conf/pods/BeeriNRST87 conf/pods/BeeriR87 journals/cacm/Codd70 conf/oodbs/CareyDFGMRS86 conf/pods/Chandra88 journals/jcss/ChandraH82 journals/jlp/ChandraH85 conf/sigmod/CopelandM84 conf/sigmod/DadamKABEGLPW86 conf/pods/Dayal83 conf/vldb/Dayal87 conf/oodbs/Dittrich86 journals/jacm/Paola69a ... journals/jacm/Fagin82 ... conf/pods/HullS88 journals/jacm/Jacobs82 conf/pods/JaeschkeS82 ... journals/jacm/Klug82 conf/sigmod/KemperLW87 ... ... conf/pods/Kuper87 conf/pods/Kuper88 conf/pods/KuperV84 conf/sigmod/KuperV85 conf/sigmod/LorieP83 ... ... conf/vldb/Makinouchi77 ... journals/tods/OzsoyogluOM87 conf/sigmod/PaulSSWD87 journals/is/RothKB87 journals/tods/RothKS88 conf/vldb/RoweS87 journals/tods/Rybinski87 conf/pods/Sagiv87 journals/aim/StefikB86 journals/is/SchekS86 conf/sigmod/StonebrakerR86 conf/vldb/TsurZ86 books/cs/Ullman82 journals/tods/Ullman85 conf/pods/Ullman87 journals/ipl/Vardi81 ... ... ...