conf/vldb/96 Kenneth C. Sevcik Nick Koudas Filter Trees for Managing Spatial Data over a Range of Size Granularities 16-27 1996 VLDB db/conf/vldb/vldb96.html#SevcikK96 db/conf/vldb/SevcikK96.html VLDB96/P016.PDF ... journals/tit/Bially69 conf/sigmod/BrinkhoffKS93 conf/sigmod/BeckmannKSS90 ... ... conf/sigmod/Guttman84 conf/icde/HutfleszSW90 conf/sigmod/Jagadish90 ... conf/cikm/KamelF93 conf/vldb/KamelF94 conf/vldb/NgH94 journals/tse/OrensteinM88 books/aw/Samet90 ... conf/vldb/SellisRF87 conf/icde/SixW88