conf/pods/94 Ashish Gupta Yehoshua Sagiv Jeffrey D. Ullman Jennifer Widom 45-55 1994 PODS db/conf/pods/pods94.html#GuptaSUW94 http://doi.acm.org/10.1145/182591.182597 db/conf/pods/pods94-45.html journals/anthology/cd1-3:PODS94/P045.PDF journals/anthology/dvd1:text/1-3/PODS94/P045.PDF journals/tods/BlakeleyCL89 conf/vldb/CeriW90 conf/vldb/CeriW91 conf/stoc/ChandraLM81 conf/stoc/ChandraM77 conf/pods/ChaudhuriV92 journals/tcs/Courcelle91 conf/pods/Elkan90 ... conf/deductive/GuptaU92 conf/sigmod/GuptaW93 journals/jacm/Klug88 conf/vldb/LevyS93 journals/acta/Nicolas82 ... journals/jacm/SagivY80 conf/pods/Shmueli87 journals/is/TompaB88 books/cs/Ullman89 conf/pods/Meyden92