Florian Sureau Frederic Plantard Fatma Bouali Gilles Venturini Visual Mining of Web Logs with DataTube2. 555-562 2009 WISE http://dx.doi.org/10.1007/978-3-642-04409-0_53 conf/wise/2009 db/conf/wise/wise2009.html#SureauPBV09