Birgit Hofreiter Eric Dubois 0001 Kwei-Jay Lin Thomas Setzer Claude Godart Erik Proper Lianne Bodenstaff 13th IEEE Conference on Commerce and Enterprise Computing, CEC 2011, Luxembourg-Kirchberg, Luxembourg, September 5-7, 2011 IEEE 2011 978-1-4577-1542-6 http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6046209 CEC db/conf/wecwis/cec2011.html