Colin Bell Anil Nerode Raymond T. Ng V. S. Subrahmanian 238-269 1996 21 ACM Trans. Database Syst. 2 db/journals/tods/tods21.html#BellNNS96 TODS21/P238.PDF http://doi.acm.org/10.1145/232616.232691 db/journals/tods/BellNNS96.html conf/pods/BancilhonMSU86 conf/sigmod/BancilhonR86 conf/pods/BeeriR87 journals/jacm/BellNNS94 ... conf/sigmod/BlakeleyLT86 ... conf/dood/Bry89 conf/aaai/CadoliL90 ... journals/jacm/ChandruH91 ... conf/slp/Dietrich87 journals/jlp/DowlingG84 conf/iclp/FernandezM91 ... ... journals/tcs/GottlobMNSS96 conf/sigmod/GuptaMS93 ... ... ... ... conf/popl/JaffarL87 ... ... ... ... journals/tcs/KaganNS96 ... journals/cacm/Kohn91 ... ... journals/tods/LiuS90 books/sp/Lloyd87 ... ... conf/cade/Minker82 conf/iclp/MorrisUG86 books/cs/NaqviT89 journals/iandc/NerodeNS95 conf/vldb/RamakrishnanSS92 journals/tods/Roussopoulos91 journals/is/SellisRN90 conf/pods/ShmueliTZ88 conf/pods/Ullman89 books/cs/Ullman88 journals/jacm/EmdenK76 conf/pods/Gelder89 journals/cacm/Warren92 journals/jar/YahyaH85 conf/iclp/Zaniolo88