Revealing common sources of image spam by unsupervised clustering with visual features.

Chengcui Zhang Wei-bang Chen Xin Chen Gary Warner Revealing common sources of image spam by unsupervised clustering with visual features. 891-892 2009 SAC http://doi.acm.org/10.1145/1529282.1529474 conf/sac/2009 db/conf/sac/sac2009.html#ZhangCCW09