M. Doganay, T. Pedersen, Y. Saygin, E. Savas, and A. Levi. PAIS '08: Proceedings of the 2008 international workshop on Privacy and anonymity in information society, page 3--11. New York, NY, USA, ACM, (2008)
S. Kaya, T. Pedersen, E. Savaş, and Y. Saygın. PAKDD 2007 International Workshops: Emerging Technologies in Knowledge Discovery and Data Mining, page 280--291. (2009)
E. Bertino, B. Catania, M. Damiani, and P. Perlasca. SACMAT '05: Proceedings of the tenth ACM symposium on Access control models and technologies, page 29--37. New York, NY, USA, ACM, (2005)