conf/sigmod/95 Ambuj Shatdal Jeffrey F. Naughton Adaptive Parallel Aggregation Algorithms. 104-114 1995 SIGMOD Conference db/conf/sigmod/sigmod95.html#ShatdalN95 http://doi.acm.org/10.1145/223784.223801 db/conf/sigmod/sigmod95-7.html SIGMOD95/P104.PDF journals/tods/BittonBDW83 conf/vldb/BrownCL93 ... journals/tkde/DeWittGSBHR90 ... ... journals/csur/Graefe93 ... ... conf/vldb/SuM82 ... conf/vldb/WaltonDJ91