Advances in Intelligent Data Analysis VIII 8th International Symposium on Intelligent Data Analysis, IDA 2009, Lyon, France, August 31 - September 2, 2009, Proceedings - Adams, Niall M.; Robardet, Céline; Siebes, Arno; Boulicaut, Jean-Francois (Information Systems and Applications, incl. Internet/Web, and HCI ;, 2009)