conf/pods/97 Michael Benedikt Leonid Libkin 87-98 1997 PODS db/conf/pods/pods97.html#BenediktL97 http://doi.acm.org/10.1145/263661.263672 db/conf/pods/BenediktL97.html journals/anthology/cd1-3:PODS97/P087.PDF journals/anthology/dvd1:text/1-3/PODS97/P087.PDF books/aw/AbiteboulHV95 journals/jcss/AbiteboulV91 ... journals/jcss/BarringtonIS90 conf/pods/BeeriM92 conf/pods/BenediktDLW96 conf/lics/BenediktL96 ... journals/jcss/Ben-OrKR86 ... journals/jcss/ChandraH80 journals/jcss/ChandraH82 ... conf/csl/DawarLW95 ... conf/pods/Escobar-MolanoHJ93 journals/jcss/Etessami97 conf/lcc/GradelG94 ... ... ... journals/jcss/HullS91 journals/acta/HullS94 journals/jcss/KanellakisKR95 conf/pods/KiferRS88 journals/iandc/KolaitisV90 journals/iandc/KolaitisV92 conf/pods/LevyMSS93 journals/jcss/LibkinW97 ... journals/ipl/OttoB96 conf/lics/ParedaensBG95 ... conf/pods/StolboushkinT96 ... books/cs/Ullman88 conf/pods/Vardi95