Y. Ding, X. Li, und M. Orlowska. ADC '06: Proceedings of the 17th Australasian Database Conference, Seite 99--107. Darlinghurst, Australia, Australia, Australian Computer Society, Inc., (2006)
J. Wang, J. Pouwelse, R. Lagendijk, und M. Reinders. SAC '06: Proceedings of the 2006 ACM symposium on Applied computing, Seite 1026--1030. New York, NY, USA, ACM Press, (2006)
Z. Huang, X. Li, und H. Chen. JCDL '05: Proceedings of the 5th ACM/IEEE-CS joint conference on Digital libraries, Seite 141--142. New York, NY, USA, ACM Press, (2005)
N. Tatti, T. Mielikainen, A. Gionis, und H. Mannila. ICDM '06: Proceedings of the Sixth International Conference on Data Mining, Seite 603--612. Washington, DC, USA, IEEE Computer Society, (2006)