Armen Aghasaryan Stéphane Betgé-Brezetz Guillaume Raschia Marc Gelgon User and Usage Profiling in a Multi-Platform Service Environment. 14-16 2006 conf/lwa/2006 LWA http://web1.bib.uni-hildesheim.de/edocs/2007/521891329/meta/ db/conf/lwa/lwa2006.html#AghasaryanBRG06