DalTREC 2005 Spam Track: Spam Filtering Using N-gram-based Techniques. - Vlado Keselj; Evangelos E. Milios; Andrew Tuttle; Singer Wang; Roger Zhang (TREC, 2005)

Document Representation and Dimension Reduction for Text Clustering. - M. Mahdi Shafiei; Singer Wang; Roger Zhang; Evangelos E. Milios; Bin Tang; Jane Tougas; Raymond J. Spiteri (ICDE Workshops, 2007)