Joaquim Filipe José Cordeiro Jorge Cardoso Enterprise Information Systems, 9th International Conference, ICEIS 2007, Funchal, Madeira, June 12-16, 2007, Revised Selected Papers 12 2009 978-3-540-88709-6 ICEIS (Selected Papers) Lecture Notes in Business Information Processing Springer db/conf/iceis/iceis2007sp.html