Michael J. Carey Donald Kossmann Processing Top N and Bottom N Queries. 12-19 1997 20 IEEE Data Eng. Bull. 3 DEBU/97SEP-CD.PDF db/journals/debu/debu20.html#CareyK97 db/journals/debu/CareyK97.html ... conf/sigmod/ChaudhuriG96 books/mk/Chamberlin96 conf/sigmod/CareyK97 ... conf/sigmod/GraefeD87 books/aw/Knuth73 journals/sigmod/KimballS95 conf/sigmod/Lohman88