Frederico Bublitz Hyggo Oliveira de Almeida Angelo Perkusich Emerson Loureiro Evandro de Barros Costa Leandro Dias da Silva An infrastructure for developing context aware applications in pervasive environments. 1958-1959 2008 SAC http://doi.acm.org/10.1145/1363686.1364158 conf/sac/2008 db/conf/sac/sac2008.html#BublitzAPLCD08