Bruno Becker Stephan Gschwind Thomas Ohler Bernhard Seeger Peter Widmayer 264-275 VLDBJ5/60050264.pdf 1996 5 VLDB J. 4 db/journals/vldb/vldb5.html#BeckerGOSW96 db/journals/vldb/BeckerGOSW96.html journals/csur/BarghoutiK91 conf/ssd/BeckerGOSW93 conf/sigmod/BeckmannKSS90 ... books/aw/BernsteinHG87 ... journals/jcss/DriscollSST89 journals/ibmrd/Easton86 conf/vldb/ElmasriWK90 conf/icde/ElmasriKW91 conf/sigmod/Freeston87 ... conf/icde/Greene89 journals/tkde/GuntherB91 conf/sigmod/Guttman84 journals/acta/HuddlestonM82 conf/pods/KanellakisRVV93 journals/csur/Katz90 conf/icde/KolovsonS89 conf/sigmod/KolovsonS91 conf/sigmod/LankaM91 conf/sigmod/LometS89 conf/sigmod/LometS90 books/el/leeuwen90/MehlhornT90 books/aw/Sedgewick88 conf/vldb/SegevG89 books/bc/TanselCGJSS93 conf/stacs/Vitter91