J. Teevan, M. Morris, and S. Bush. Proceedings of the Second ACM International Conference on Web Search and Data Mining, page 15--24. New York, NY, USA, ACM, (2009)
J. Teevan, M. Morris, and S. Bush. Proceedings of the Second ACM International Conference on Web Search and Data Mining, page 15--24. New York, NY, USA, ACM, (2009)