Context-derived Pseudonyms for Protection of Privacy in Transport Middleware and Applications

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• David Evans (University of Cambridge)
• Tuesday 05 December 2006, 14:30-15:30
• Room FW11, Computer Laboratory, William Gates Building.

If you have a question about this talk, please contact Minor Gordon.

This talk will outline why context-aware transport applications necessarily record information about people and describe how we can use anonymity techniques to minimise the resulting invasion of privacy. In particular we: (i) describe how to generate unlinkable personal pseudonyms; (ii) describe a method of creating group pseudonyms (an opaque pseudonym representing several individuals); and (iii) describe how to store these pseudonyms safely in a database. We will then present two sample transport applications which utilise our technique.

This is joint work with Alastair Beresford of the Computer Laboratory and Trevor Burbridge and Andrea Soppera of BT.

This talk is part of the Computer Laboratory Opera Group Seminars series.

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