Hotho, A., Benz, D., Jäschke, R. & Krause, B. (eds.) (2008). ECML PKDD Discovery Challenge 2008 (RSDC'08). Workshop at 18th Europ. Conf. on Machine Learning (ECML'08) / 11th Europ. Conf. on Principles and Practice of Knowledge Discovery in Databases (PKDD'08).