D. Arthur, und S. Vassilvitskii. SODA '07: Proceedings of the eighteenth annual ACM-SIAM symposium on Discrete algorithms, Seite 1027--1035. Philadelphia, PA, USA, Society for Industrial and Applied Mathematics, (2007)
R. Kumar, A. Tomkins, S. Vassilvitskii, und E. Vee. Proceedings of the Eighth ACM International Conference on Web Search and Data Mining, Seite 359--368. New York, NY, USA, ACM, (2015)