K. Liu, B. Fang, und W. Zhang. Proceedings of the 19th ACM International Conference on Information and Knowledge Management, Seite 1109--1118. New York, NY, USA, ACM, (2010)
M. Zhou, S. Bao, X. Wu, und Y. Yu. Proceedings of the 6th International Semantic Web Conference and 2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, Volume 4825 von LNCS, Seite 673--686. Berlin, Heidelberg, Springer Verlag, (November 2007)
A. Plangprasopchok, und K. Lerman. WWW '09: Proceedings of the 18th international conference on World wide web, Seite 781--790. New York, NY, USA, ACM, (2009)
L. Silva, und L. Jayaratne. Applications of Digital Information and Web Technologies, 2009. ICADIWT '09. Second International Conference on the, Seite 446-451. (August 2009)