D. Ramage, P. Heymann, C. Manning, und H. Molina. WSDM '09: Proceedings of the Second ACM International Conference on Web Search and Data Mining, Seite 54--63. New York, NY, USA, ACM, (2009)
D. Ramage, P. Heymann, C. Manning, und H. Garcia-Molina. WSDM '09: Proceedings of the Second ACM International Conference on Web Search and Data Mining, Seite 54--63. New York, NY, USA, ACM, (2009)