P. Cimiano, G. Stumme, A. Hotho, and J. Tane. Proceedings of the The Second International Conference on Formal Concept Analysis (ICFCA 04), page 189-207. Springer, (2004)
S. Bloehdorn, and A. Hotho. Proceedings of the Workshop on Text-based Information Retrieval (TIR-04) at the 27th German Conference on Artificial Intelligence, (September 2004)
S. Staab, J. Angele, S. Decker, A. Hotho, A. Maedche, H. Schnurr, R. Studer, and Y. Sure. AAAI 2000/IAAI 2000 - Proceedings of the 17th National Conference on Artificial Intelligence and 12th Innovative Applications of Artificial Intelligence Conference, Austin/TX, USA, July 30-August 3, 2000, AAAI Press/MIT Press, (2000)
S. Bloehdorn, and A. Hotho. Proceedings of the MSW 2004 workshop at the 10th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, page 70-87. (August 2004)
S. Bloehdorn, P. Cimiano, A. Hotho, and S. Staab. LDV Forum - GLDV Journal for Computational Linguistics and Language Technology, 20 (1):
87-112(May 2005)