*** Call for Participation *** We cordially invite you to participate in the USAB 2007, Nov, 22, Graz (Austria) 3rd annual Symposium of the Workgroup HCI&UE of the Austrian Computer Society Preliminary Program: http://www.meduni-graz.at/imi/usab-symposium/page.php?n=340 The theme of the annual Symposium is \"HCI4MED\", consequently taking place this year directly within Graz University Hospital - which is one of the largest in Europe. Motto: From data, information and knowledge to the support of medical workflows. Traditionally, Human-Computer Interaction (HCI) bridges Psychology and Informatics, while Usability Engineering (UE), as an engineering discipline, is firmly anchored in software technology and guarantees a solid technological implementation at systemic level. Together, HCI&UE provide the emerging potential to assist the daily workflows in the realm of medicine and health care. We are looking forward to meeting you in Graz Best regards USAB 2007 Organization Team *** Call for Participation ***