F. Suchanek, G. Kasneci, and G. Weikum. Proceedings of the 16th international conference on World Wide Web, page 697--706. New York, NY, USA, ACM, (2007)
B. Berendt, N. Glance, and A. Hotho (Eds.) Workshop at 18th Europ. Conf. on Machine Learning (ECML'08) / 11th Europ. Conf. on Principles and Practice of Knowledge Discovery in Databases (PKDD'08), (2008)
T. Joachims, D. Freitag, and T. Mitchell. Proceedings of the International Joint Conference on
Artificial Intelligence (IJCAI), page 770--777. San Francisco, CA, Morgan Kaufmann, (1997)
T. Tezuka, R. Lee, Y. Kambayashi, and H. Takakura. Proceedings of the Second International Conference on Web Information Systems Engineering, 2, page 14--21. (December 2001)
R. Cooley, B. Mobasher, and J. Srivastava. Proceedings of the Ninth IEEE International Conference on Tools with Artificial Intelligence (ICTAI'97), IEEE Computer Society, (November 1997)