K. Tso-Sutter, L. Marinho, and L. Schmidt-Thieme. SAC '08: Proceedings of the 2008 ACM symposium on Applied computing, page 1995--1999. New York, NY, USA, ACM, (2008)
C. Firan, W. Nejdl, and R. Paiu. LA-WEB '07: Proceedings of the 2007 Latin American Web Conference, page 32--41. Washington, DC, USA, IEEE Computer Society, (2007)
D. Benz, K. Tso, and L. Schmidt-Thieme. Proceedings of the 2nd Workshop in Innovations in Web Infrastructure (IWI2) at WWW2006, Edinburgh, Scotland, (May 2006)
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)
A. Hotho, D. Benz, R. Jäschke, and B. Krause (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)
L. von Ahn, and L. Dabbish. CHI '04: Proceedings of the SIGCHI conference on Human factors in computing systems, page 319--326. New York, NY, USA, ACM, (2004)