A. Hotho, A. Maedche, and S. Staab. Proc. of the Workshop ``Text Learning: Beyond Supervision'' at IJCAI 2001. Seattle, WA, USA, August 6, 2001, (2001)
A. Blum, T. Chan, and M. Rwebangira. Proceedings of the eigth Workshop on Algorithm Engineering and Experiments and the third Workshop on Analytic Algorithmics and Combinatorics, page 238--246. (2006)
P. Chebolu, and P. Melsted. Proceedings of the nineteenth annual ACM-SIAM symposium on Discrete algorithms, page 1010--1018. Society for Industrial and Applied Mathematics, (2008)
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)
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)
J. Liu, and D. Gruen. IUI '08: Proceedings of the 13th international conference on Intelligent user interfaces, page 361--364. New York, NY, USA, ACM, (2008)