R. Wagner. Proceedings of the International Conference on Business Capacity Development and Economic Regeneration, Dundee, University of Abertay, (2004)
R. Wagner, S. Scholz, und A. Hotho. Proceedings of the 2007 European Competitive Intelligence Summit, Alexandria (Virginia), Society of Competitive Intelligence Professionals, (2007)
T. Groza, S. Handschuh, und J. Breslin. Proceedings of the International Conference on Web Intelligence, (WI 2008), Sydney, Australia, December, (2008)