conf/vldb/93 Hiroshi Ishikawa Kazumi Kubota An Active Object-Oriented Database: A Multi-Paradigm Approach to Constraint Management. 467-478 1993 VLDB db/conf/vldb/vldb93.html#IshikawaK93 db/conf/vldb/IshikawaK93.html VLDB93/P467.PDF conf/sigmod/AgrawalG89 books/aw/Date90 conf/dbpl/GatziuGD91 conf/sigmod/GehaniJS92 books/aw/GoldbergR83 journals/tods/HudsonK89 ... ... conf/future/IshikawaIKH92 journals/tods/IshikawaSKMMIAY93 journals/tkde/KimGBW90 journals/cacm/LohmanLPS91 conf/oopsla/MaierSOP86 conf/sigmod/McCarthyD89 conf/vldb/Morgenstern83 journals/tods/RothKS88 ... conf/sigmod/StonebrakerJGP90 ...