Fabrizio Angiulli Rachel Ben-Eliyahu-Zohary Giovambattista Ianni Luigi Palopoli 237-244 2000 PODS db/conf/pods/pods2000.html#AngiulliBIP00 conf/pods/00 http://doi.acm.org/10.1145/335168.335227 conf/sigmod/AgrawalIS93 books/aw/AbiteboulHV95 journals/jcss/BarringtonIS90 journals/jacm/BeeriFMY83 conf/ijcai/Ben-Eliyahu-ZoharyG99 conf/stoc/ChandraM77 conf/kdd/DomshlakGGLMRS98 books/mit/FayyadPSU96 ... conf/dood/FuH95 books/fm/GareyJ79 conf/focs/GottlobLS98 conf/dood/KeroRTS95 books/mit/fayyadPSU96/ShenOMZ96 journals/jcss/Ruzzo81 ... journals/tkde/ShenL96 journals/tcs/Stockmeyer76 conf/stoc/Vardi82