Mayer D. Schwartz Dorothy E. Denning Peter J. Denning Linear Queries in Statistical Databases. 156-167 TODS4/P156.PDF 1979 4 ACM Trans. Database Syst. 2 db/journals/tods/tods4.html#Schwartz79 http://doi.acm.org/10.1145/320071.320073 db/journals/tods/Schwartz79.html journals/tods/Chin78 journals/tse/DavidaLSW78 journals/tse/DeMilloDL78 journals/tods/DenningDS79 ... journals/tods/DobkinJL79 ... ... ... ... ... ... journals/tods/KamU77 ... ... ... ... ...