• Cassandra: flexible trust management and its application to electronic health records. Moritz Y. Becker. PhD thesis, University of Cambridge, October 2005. Published as UCAM-CL-TR-648. [ bib | pdf | abstract ]
• A formal security policy for an NHS electronic health record service. Moritz Y. Becker. Technical Report UCAM-CL-TR-628, University of Cambridge, Computer Laboratory, March 2005. [ bib | pdf | abstract ]