Ernesto Damiani Sabrina De Capitani di Vimercati Stefano Paraboschi Pierangela Samarati Andrea Tironi Luca Zaniboni Spam attacks: p2p to the rescue. 358-359 2004 conf/www/2004at WWW (Alternate Track Papers & Posters) http://doi.acm.org/10.1145/1013367.1013474 db/conf/www/www2004at.html#DamianiVPSTZ04