Maurice A. W. Houtsma Peter M. G. Apers Stefano Ceri 470-484 ICDT1990/P470.pdf 1990 ICDT db/conf/icdt/icdt90.html#HoutsmaAC90 conf/icdt/90 http://dx.doi.org/10.1007/3-540-53507-1_96 conf/sigmod/AgrawalBJ89 conf/vldb/AgrawalJ88 conf/dpds/AgrawalJ88 conf/ds/ApersHB86 conf/edbt/ApersKO88 conf/pods/BancilhonMSU86 conf/sigmod/CacaceCCTZ90 journals/dpd/CacaceCH93 conf/db-workshops/CacaceCH90 conf/vldb/CeriT87 books/sp/CeriGT90 books/mg/CeriP84 conf/pods/CohenW89 conf/sigmod/GangulyST90 ... ... ... conf/vldb/HoutsmaAC90 conf/pdis/HoutsmaCC91 conf/vldb/Hulin89 conf/vldb/Ioannidis86 conf/vldb/IoannidisR88 conf/iwdm/KerstenAHKW87 ... conf/sigmod/LarsonD89 books/cs/NaqviT89 journals/tkde/NejdlCW93 conf/vldb/RaschidS86 conf/hpts/Group87 conf/dpds/Wolfson88