J. Hoffart, F. Suchanek, K. Berberich, and G. Weikum. Research Report, MPI-I-2010-5-007. Max-Planck-Institut für Informatik, Stuhlsatzenhausweg 85, 66123 Saarbrücken, Germany, (November 2010)
X. Hu, N. Sun, C. Zhang, and T. Chua. CIKM '09: Proceeding of the 18th ACM conference on Information and knowledge management, page 919--928. New York, NY, USA, ACM, (2009)
H. Dyvik. Proceedings of the Second Baltic Conference on Human Language Technologies, page 27--38. Tallinn, Institute of Cybernetics, Tallinn University of Technology & Institute of the Estonian Language, (2005)