conf/vldb/97 Hasan M. Jamil Implementing Abstract Objects with Inheritance in Datalog<sup>neg</sup>. 56-65 1997 VLDB db/conf/vldb/vldb97.html#Jamil97 db/conf/vldb/Jamil97.html VLDB97/P056.PDF conf/sigmod/AbiteboulLUW93 ... conf/edbt/BertinoM92 conf/popl/BorningI82 conf/iclp/Bugliesi92 conf/plilp/BugliesiJ94 conf/icdt/BugliesiJ95 conf/dood/DalalG89 ... conf/deductive/Jamil97 conf/slp/JamilL95 journals/jacm/KiferLW95 ... ... conf/dbpl/LecluseRV87 ... journals/jlp/Miller89 conf/vldb/RamakrishnanSS92 books/aw/Stroustrup86