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R. Kaptein, P. Serdyukov, and J. Kamps. Proceedings of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, page 839--840. New York, NY, USA, ACM, (2010)
B. Krause, R. Jäschke, A. Hotho, and G. Stumme. HT '08: Proceedings of the Nineteenth ACM Conference on Hypertext and Hypermedia, page 157-166. New York, NY, USA, ACM, (2008)
M. Noll, and C. Meinel. Proceedings of the 6th International Semantic Web Conference and
2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, volume 4825 of LNCS, page 365--378. Berlin, Heidelberg, Springer Verlag, (November 2007)
M. Noll, and C. Meinel. Proceedings of the 6th International Semantic Web Conference and
2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, volume 4825 of LNCS, page 365--378. Berlin, Heidelberg, Springer Verlag, (November 2007)