@InProceedings{stringhini11:botmagnifier,
  author = 	 {Gianluca Stringhini and Thorsten Holz and Brett Stone-Gross and Christopher Kruegel and Giovanni Vigna},
  title = 	 {{BotMagnifier: Locating Spambots on the Internet}},
  booktitle = {Proceedings of the USENIX Security Symposium},
  year = 	 2011,
  address = 	 {S. Francisco, CA},
  month = 	 {August}}