conf/pods/97 Alberto O. Mendelzon Tova Milo Formal Models of Web Queries. 134-143 1997 PODS db/conf/pods/pods97.html#MendelzonM97 http://doi.acm.org/10.1145/263661.263677 journals/anthology/cd1-3:PODS97/P134.PDF journals/anthology/dvd1:text/1-3/PODS97/P134.PDF conf/lics/AbiteboulPV94 conf/icdt/AbiteboulV97 conf/stoc/AbiteboulV91 conf/vldb/AbiteboulCM93 ... conf/echt/BeeriK90 conf/vldb/BrownS95 conf/sigmod/BunemanDHS96 journals/jcss/ChandraH80 conf/sigmod/ChristophidesACS94 conf/ht/ConsensM89 ... journals/tois/GutingZC89 conf/vldb/KonopnickiS95 conf/ride/LakshmananSS96 conf/pdis/MendelzonMM96 conf/fodo/MinoharaWT93 journals/sigmod/ParedaensBAGGTGSS92