conf/vldb/86 Yannis E. Ioannidis On the Computation of the Transitive Closure of Relational Operators. 403-411 1986 VLDB db/conf/vldb/vldb86.html#Ioannidis86 db/conf/vldb/Ioannidis86.html VLDB86/P403.PDF conf/popl/AhoU79 ... conf/pods/BancilhonMSU86 ... ... conf/sigmod/DeWittKOSSW84 ... journals/csur/GallaireMN84 phd/Guttman84 conf/icde/HanL86 journals/jacm/HenschenN84 conf/eds/IoannidisW86 ... conf/sigmod/RosenthalHDM86 journals/tods/Ullman85 conf/eds/ValduriezB86 conf/eds/Vieille86