Blaine Nelson Marco Barreno Fuching Jack Chi Anthony D. Joseph Benjamin I. P. Rubinstein Udam Saini Charles Sutton J. Doug Tygar Kai Xia Exploiting Machine Learning to Subvert Your Spam Filter. 2008 LEET http://www.usenix.org/events/leet08/tech/full_papers/nelson/nelson.pdf conf/nsdi/2008leet db/conf/nsdi/leet2008.html#NelsonBCJRSSTX08