Álvaro Fides-Valero Matteo Freddi Francesco Furfari Mohammad-Reza Tazari The PERSONA Framework for Supporting Context-Awareness in Open Distributed Systems. 91-108 2008 AmI http://dx.doi.org/10.1007/978-3-540-89617-3_7 conf/ami/2008 db/conf/ami/ami2008.html#Fides-ValeroFFT08