Narayanan, Arvind and Shmatikov, Vitaly De-anonymizing Social Networks. (2009). , cite arxiv:0903.3276 Comment: Published in the 30th IEEE Symposium on Security and Privacy, 2009. The definitive version is available at: http://www.cs.utexas.edu/~shmat/shmat_oak09.pdf Frequently Asked Questions are answered at: http://www.cs.utexas.edu/~shmat/socialnetworks-faq.html .