J. Abowd, L. Vilhuber, and W. Block. Privacy in Statistical Databases, volume 7556 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2012)
R. Agrawal, S. Gollapudi, A. Kannan, and K. Kenthapadi. Proceedings of the 20th International Conference Companion on World Wide Web, page 483--492. New York, NY, USA, ACM, (2011)
R. Agrawal, T. Imieli&\#324;ski, and A. Swami. SIGMOD '93: Proceedings of the 1993 ACM SIGMOD international conference on Management of data, page 207--216. New York, NY, USA, ACM Press, (1993)