@inproceedings {268471, author = {Shobha Venkataraman and Subhabrata Sen and Oliver Spatscheck and Patrick Haffner and Dawn Song}, title = {Exploiting Network Structure for Proactive Spam Mitigation}, booktitle = {16th USENIX Security Symposium (USENIX Security 07)}, year = {2007}, address = {Boston, MA }, url = {https://www.usenix.org/conference/16th-usenix-security-symposium/exploiting-network-structure-proactive-spam-mitigation}, publisher = {USENIX Association}, month = aug }