Bill Smyth Chiou Peng Lam Xin Chen Valerie Maxville Heuristics for Image Retrieval Using Spatial Configurations. 909-918 2003 conf/dicta/2003 DICTA http://www.cmis.csiro.au/Hugues.Talbot/dicta2003/cdrom/pdf/0909.pdf db/conf/dicta/dicta2003.html#SmythLCM03