Chandra Chekuri Anand Rajaraman Conjunctive Query Containment Revisited. 56-70 ICDT1997/P056.pdf 1997 ICDT db/conf/icdt/icdt97.html#ChekuriR97 conf/icdt/97 http://dx.doi.org/10.1007/3-540-62222-5_36 journals/tods/AhoSU79 journals/siamcomp/AhoSU79 conf/stoc/Bodlaender93 conf/icde/ChaudhuriKPS95 conf/stoc/ChandraM77 ... journals/siamcomp/JohnsonK83 conf/stoc/KhannaM96 conf/pods/LevyMSS95 conf/vldb/LevyRO96 conf/pods/LevyRU96 conf/vldb/LarsonY85 conf/icde/Qian96 conf/pods/RajaramanSU95 journals/siamcomp/TarjanY84 books/cs/Ullman89 conf/vldb/Yannakakis81 conf/vldb/YangL87 ...