conf/sigmod/90 Filippo Cacace Stefano Ceri Stefano Crespi-Reghizzi Letizia Tanca Roberto Zicari Integrating Object-Oriented Data Modeling with a Rule-Based Programming Paradigm. 225-236 1990 SIGMOD Conference db/conf/sigmod/sigmod90.html#CacaceCCTZ90 http://doi.acm.org/10.1145/93597.98732 db/conf/sigmod/CacaceCCTZ90.html SIGMOD90/P225.PDF conf/dood/AtkinsonBDDMZ89 conf/edbt/AbiteboulG88 journals/jcss/AbiteboulV91 conf/icdt/Abiteboul88 conf/sigmod/AbiteboulK89 ... conf/icdt/Beeri88 ... journals/iandc/Cardelli88 ... conf/edbt/CeriCGLLTZ88 ... books/sp/CeriGT90 conf/pods/ImielinskiN88 conf/pods/KiferW89 conf/pods/KuperV84 conf/sigmod/LecluseRV88 conf/vldb/MaindrevilleS88 ... ... conf/iclp/MorrisUG86 books/cs/NaqviT89 books/cs/Ullman88