Roland Kaschek Christian Kop Claudia Steinberger Günther Fliedl Information Systems and e-Business Technologies, 2nd International United Information Systems Conference, UNISCON 2008, Klagenfurt, Austria, April 22-25, 2008, Proceedings UNISCON 5 2008 978-3-540-78941-3 Lecture Notes in Business Information Processing Springer db/conf/ista/uniscon2008.html