The Ottawa Centre for Research and Innovation, in collaboration with Entrust Inc., the Université du Québec en Outaouais and the University of Ottawa have organized a one-day workshop entitled New Challenges for Access Control in Ottawa on 27th April 2005. The workshop has provided an opportunity for practitioners and researchers to share their ideas and experiences on such topics as: Access control requirements, Access control models, Access control policy expression languages, Access control and privacy policies Access control architectures, Policy management architectures and Tools for developing and analyzing access control and privacy policies. Click here for the program and the slide presentations Program committee Chairs: Tim Moses (Entrust) and Luigi Logrippo (Université du Québec en Outaouais) Abbie Barbir (NortelNetworks) Anne Anderson (SUN Microsystems) Carlisle Adams (University of Ottawa) Dan Craigen (ORA) Eugen Bacic (Cinnabar) Kamel Adi (Université du Québec en Outaouais) Petre Dini (Cisco) Ramiro Liscano (University of Ottawa) Seth Proctor (Sun Microsystems) Steve Zeber (Defence Research and Development Canada)