@article{kaltenbrunner2011NRHM,
  author =	 {Kaltenbrunner, Andreas and Gonzalez, Gustavo and
                  Ruiz De Querol, Ricard and Volkovich, Yana},
  title =	 {Comparative analysis of articulated and behavioural
                  social networks in a social news sharing website},
  journal =	 {New Review of Hypermedia and Multimedia},
  volume =	 17,
  number =	 3,
  pages =	 {243-266},
  year =	 2011,
  doi =		 {10.1080/13614568.2011.598192},
}