Paolo Atzeni Douglas Stott Parker Jr. Set Containment Inference. 73-90 ICDT1986/P073.pdf 1986 ICDT db/conf/icdt/icdt86.html#AtzeniP86 conf/icdt/86 http://dx.doi.org/10.1007/3-540-17187-8_30 conf/icde/AtzeniP86 ... ... books/fm/GareyJ79 ... books/cs/Maier83 books/cs/Ullman82