J. Hoffart, D. Milchevski, G. Weikum, A. Anand, and J. Singh. Proceedings of the 25th International Conference Companion on World Wide Web, page 203--206. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2016)
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)