conf/sigmod/92 Michael Kifer Won Kim Yehoshua Sagiv Querying Object-Oriented Databases. 393-402 1992 SIGMOD Conference db/conf/sigmod/sigmod92.html#KiferKS92 http://doi.acm.org/10.1145/130283.130342 db/conf/sigmod/KiferKS92.html SIGMOD92/P393.PDF conf/sigmod/AbiteboulB91 ... conf/edbt/Beech88 conf/dood/CluetDLR89 ... conf/icde/GardarinV92 conf/sigmod/KiferL89 journals/jacm/KiferLW95 ... conf/pods/KiferW89 ... conf/vldb/Kim89 ... conf/vldb/LecluseR89 ... journals/tods/MylopoulosBW80 journals/is/RothKB87 journals/is/SchekS86 conf/sigmod/Zaniolo83