G. Kasneci, F. Suchanek, G. Ifrim, R. Maya, und G. Weikum. Research Report, MPI–I–2007–5–001. Max-Planck-Institut für Informatik, Stuhlsatzenhausweg 85, 66123 Saarbrücken, Germany, (2007)
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)
N. Kambhatla. Proceedings of the ACL 2004 on Interactive poster and demonstration sessions, Seite 22. Morristown, NJ, USA, Association for Computational Linguistics, (2004)
D. Roth, und W. tau Yih. Proceedings of the 19th international conference on Computational linguistics, Seite 1--7. Morristown, NJ, USA, Association for Computational Linguistics, (2002)
C. Giuliano, A. Lavelli, und L. Romano. Proceedings of the 11th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2006), Trento, Italy, (03-07 April 2006)