C. Cortes, K. Fisher, D. Pregibon, und A. Rogers. KDD '00: Proceedings of the sixth ACM SIGKDD international conference on Knowledge discovery and data mining, Seite 9--17. New York, NY, USA, ACM, (2000)
R. Greer. SIGMOD '99: Proceedings of the 1999 ACM SIGMOD international conference on Management of data, Seite 525--526. New York, NY, USA, ACM, (1999)
M. Isard, M. Budiu, Y. Yu, A. Birrell, und D. Fetterly. EuroSys '07: Proceedings of the ACM SIGOPS/EuroSys European Conference on Computer Systems 2007, Seite 59--72. New York, NY, USA, ACM, (2007)