conf/sigmod/95 Jonathan Ashley Myron Flickner James L. Hafner Denis Lee Wayne Niblack Dragutin Petkovic The Query By Image Content (QBIC) System. 475 1995 conf/sigmod/95 conf/sigmod/95 SIGMOD Conference db/conf/sigmod/sigmod95.html#AshleyFHLNP95 http://doi.acm.org/10.1145/223784.223888 SIGMOD95/P475.PDF