F. Benevenuto, T. Rodrigues, M. Cha, and V. Almeida. Proceedings of the 9th ACM SIGCOMM Conference on Internet Measurement
, page 49--62. New York, NY, USA, ACM, (2009)
H. Halpin, V. Robu, and H. Shepherd. Proceedings of the 16th International Conference on World Wide Web
, page 211--220. New York, NY, USA, ACM, (2007)
A. Zubiaga, C. Körner, and M. Strohmaier. Proceedings of the 22Nd ACM Conference on Hypertext and Hypermedia
, page 93--102. New York, NY, USA, ACM, (2011)