Chengcui Zhang et al.: Revealing common sources of image spam by unsupervised clustering with visual features. (2009)conf/sac/ZhangCCW0910.1145/1529282.1529474Revealing common sources of image spam by unsupervised clustering with visual features.4Chengcui Zhang1Wei-bang Chen2Xin Chen 00013Gary Warner4891-892SACSAC20092009provenance information for RDF data of dblp record 'conf/sac/ZhangCCW09'2018-11-06T11:06:47+0100