Andrew K. Adams, Adam J. Lee. Combining social authentication and untrusted clouds for private location sharing. In Mauro Conti, Jaideep Vaidya, Andreas Schaad, editors, 18th ACM Symposium on Access Control Models and Technologies, SACMAT '13, Amsterdam, The Netherlands, June 12-14, 2013. pages 15-24, ACM, 2013. [doi]
Abstract is missing.