Trustworthy Pervasive Computing: The Hard Security Problems. - Kumar Ranganathan (PerCom Workshops, 2004)

Secure information sharing enabled by Trusted Computing and PEI models. - Ravi S. Sandhu; Kumar Ranganathan; Xinwen Zhang (AsiaCCS, 2006)

Client-side access control enforcement using trusted computing and PEI models. - Ravi S. Sandhu; Xinwen Zhang; Kumar Ranganathan; Michael J. Covington (J. High Speed Networks, 2006)

PEI models towards scalable, usable and high-assurance information sharing. - Ram Krishnan; Ravi S. Sandhu; Kumar Ranganathan (SACMAT, 2007)