P. Cimiano, A. Hotho, and S. Staab. Proceedings of the European Conference on Artificial Intelligence (ECAI'04), page 435-439. Valencia, Spain, IOS Press, (2004)
P. Cimiano, A. Hotho, and S. Staab. Proceedings of the Conference on Languages Resources and Evaluation (LREC), Lisbon, Portugal, ELRA - European Language Ressources Association, (May 2004)
S. Staab, and A. Hotho. Intelligent Information Processing and Web Mining, Proceedings of the International IIS: IIPWM'03 Conference held in Zakopane, page 451-452. (2003)
A. Hotho, S. Staab, and G. Stumme. Proc. of the 7th European Conference on Principles and Practice of Knowledge Discovery in Databases, PKDD, volume 2838 of LNCS, page 217-228. (2003)
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)