@InProceedings{nikiforakis14:stranger_danger,
  author = 	 {Nick Nikiforakis and Federico Maggi and Gianluca Stringhini and M Zubair Rafique and Wouter Joosen and Christopher Kruegel and Frank Piessens and Giovanni Vigna and Stefano Zanero 
},
  title = 	 {{Stranger Danger: Exploring the Ecosystem of Ad-based URL Shortening Services}},
  booktitle = {Proceedings of the International World Wide Web Conference (WWW)},
  year = 	 2014,
  address = 	 {Seoul, South Korea},
  month = 	 {April}}