Amiya Bhattacharya Meddage S. Fernando Partha Dasgupta Community sensor grids: virtualization for sharing across domains. 49-54 2008 MobiVirt http://doi.acm.org/10.1145/1622103.1622105 conf/mobisys/2008v db/conf/mobisys/mobivirt2008.html#BhattacharyaFD08