Usability Meets Access Control: Challenges and Research Opportunities - Konstantin Beznosov et al - Konstantin Beznosov, Philip Inglesant, Jorge Lobo, Rob Reeder, and Mary Ellen Zurko, "Usability Meets Access Control: Challenges and Research Opportunities," in Proceedings of the ACM Symposium on Access Control Models and Aechnologies (SACMAT), Stresa, Italy, ACM, 3-5 June, 2009 : - LERSSE-UnrefConfPaper-2009-005