A. Ankolekar, M. Krötzsch, T. Tran, and D. Vrandecic. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 825--834. New York, NY, USA, ACM Press, (2007)
C. Veres. Natural Language Processing and Information Systems, volume 3999/2006 of Lecture Notes in Computer Science, page 58-69. Berlin / Heidelberg, Springer, (July 2006)
S. Rudolph, J. Völker, and P. Hitzler. Conceptual Structures: Knowledge Architectures for Smart Applications, volume 4604 of Lecture Notes in Computer Science, Springer, Berlin / Heidelberg, (2007)
D. Abrams, R. Baecker, and M. Chignell. Proceedings of the SIGCHI conference on Human factors in computing systems, page 41-48. New York, NY, USA, ACM Press/Addison-Wesley Publishing Co., (1998)
H. Wu, M. Zubair, and K. Maly. HYPERTEXT '06: Proceedings of the seventeenth conference on Hypertext and hypermedia, page 111--114. New York, NY, USA, ACM Press, (2006)