M. Tsagkias, M. de Rijke, и W. Weerkamp. Proceedings of the Fourth ACM International Conference on Web Search and Data Mining, стр. 565--574. New York, NY, USA, ACM, (2011)
H. Kwak, C. Lee, H. Park, и S. Moon. WWW '10: Proceedings of the 19th international conference on World wide web, стр. 591--600. New York, NY, USA, ACM, (2010)
H. Kwak, C. Lee, H. Park, и S. Moon. WWW '10: Proceedings of the 19th international conference on World wide web, стр. 591--600. New York, NY, USA, ACM, (2010)