Antunes, R., 		Costa, C., 		Barbosa, J., 		Geyer, C., & 		Yamin, A.
(2010).
 Evaluation of a Service for Managing Physical Entities in Ubiquitous Applications.
In <em>Proceedings of the 2nd Brazilian Symposium on Ubiquitous and Pervasive Computing</em>, (pp. 336-345). Porto Alegre: SBC.