D. Oberle, B. Berendt, A. Hotho, und J. Gonzalez. Advances in Web Intelligence, First International Atlantic Web Intelligence Conference, AWIC 2003, Madrid, Spain, May 5-6, 2003, Proceedings, Volume 2663 von Lecture Notes in Artificial Intelligence, Seite 142-154. Springer, (2003)
S. Bloehdorn, P. Cimiano, A. Hotho, und S. Staab. LDV Forum - GLDV Journal for Computational Linguistics and Language Technology20 (1):
87-112(Mai 2005)
R. Agrawal, und R. Srikant. VLDB '94: Proceedings of the 20th International Conference on Very Large Data Bases, Seite 487--499. San Francisco, CA, USA, Morgan Kaufmann Publishers Inc., (1994)