@inproceedings{volkovich2011WWW,
  author =	 {Yana Volkovich and Andreas Kaltenbrunner},
  title =	 {{Evaluation of Valuable User Generated Content on
                  Social News Web Sites}},
  booktitle =	 {WWW '11: Proceeding of the 20th international
                  conference on World Wide Web},
  year =	 2011,
  isbn =	 {978-1-4503-0637-9},
  pages =	 {139--140},
  location =	 {Hyderabad, India},
  doi =		 {http://doi.acm.org/10.1145/1963192.1963263},
  publisher =	 {ACM},
  address =	 {New York, NY, USA},
}