@inproceedings{DBLP:conf/wpes/HopperV06,
  author    = {Nicholas Hopper and
               Eugene Y. Vasserman},
  title     = {On the effectiveness of {\it k};-anonymity against traffic
               analysis and surveillance},
  booktitle = {WPES},
  year      = {2006},
  pages     = {9-18},
  ee        = {http://doi.acm.org/10.1145/1179601.1179604},
  crossref  = {DBLP:conf/wpes/2006},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/wpes/2006,
  editor    = {Ari Juels and
               Marianne Winslett},
  title     = {Proceedings of the 2006 ACM Workshop on Privacy in the Electronic
               Society, WPES 2006, Alexandria, VA, USA, October 30, 2006},
  booktitle = {WPES},
  publisher = {ACM},
  year      = {2006},
  isbn      = {1-59593-556-8},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}