C. Wartena. Research and Advanced Technology for Digital Libraries, volume 6273 of Lecture Notes in Computer Science, Springer, Berlin / Heidelberg, (2010)
C. Marlow, M. Naaman, D. Boyd, and M. Davis. HYPERTEXT '06: Proceedings of the seventeenth conference on Hypertext and hypermedia, page 31--40. New York, NY, USA, ACM, (2006)
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)
H. Cho, T. Ishida, T. Takasaki, and S. Oyama. Proceedings of the 5th European Semantic Web Conference, Berlin, Heidelberg, Springer Verlag, (June 2008)