Anna and Dean presented their paper on “An extensible, self contained, layered approach to context acquisition” at the 3rd International Workshop on Middleware for Pervasive Mobile and Embedded Computing (M-MPAC 2011) at Middleware 2011.
A full blog post on the event by Dean can be found at:?http://deansserver.co.uk/~dean/2011/12/18/vintage-or-tawny-middleware-2011/
The slides can be found at: http://deansserver.co.uk/files/presentations/ContextEngine_presentation.pdf