conf/pods/91 Stéphane Grumbach Victor Vianu 315-327 1991 PODS db/conf/pods/pods91.html#GrumbachV91 http://doi.acm.org/10.1145/113413.113442 db/conf/pods/GrumbachV91.html journals/anthology/cd1-3:PODS91/P315.PDF journals/anthology/dvd1:text/1-3/PODS91/P315.PDF journals/jcss/AbiteboulB86 journals/vldb/AbiteboulB95 journals/tods/AbiteboulG91 journals/tods/AbiteboulH87 conf/sigmod/AbiteboulK89 conf/pods/AbiteboulSV90 conf/lics/AbiteboulV89 ... ... conf/pods/BeeriNRST87 journals/jcss/ChandraH80 ... conf/focs/GurevichS85 conf/icdt/GrumbachV90 conf/pods/HullS88 conf/pods/HullS89 journals/iandc/Immerman86 journals/jacm/Jacobs82 journals/tods/RothKS88 conf/pods/Kuper87 conf/pods/Kuper88 conf/pods/KuperV84 conf/icdt/KuperV88 conf/pods/ParedaensG88 journals/is/SchekS86 conf/stoc/Vardi82 conf/nf2/SchollABBGPRV87