A. Plangprasopchok, and K. Lerman. WWW '09: Proceedings of the 18th international conference on World wide web, page 781--790. New York, NY, USA, ACM, (2009)
J. Völker, D. Vrandecic, Y. Sure, and A. Hotho. Proceedings of the European Semantic Web Conference, ESWC2007, volume 4519 of Lecture Notes in Computer Science, Springer-Verlag, (July 2007)
J. Völker, D. Vrandecic, Y. Sure, and A. Hotho. Proceedings of the European Semantic Web Conference, ESWC2007, volume 4519 of Lecture Notes in Computer Science, Springer-Verlag, (July 2007)