Vieira, Vaninha, 		Salgado, Ana, 		Tedesco, Patricia, 		Times, Valeria, 		Ferraz, Carlos, 		Huzita, Elisa, 		Chaves, Ana, AND 		Steinmacher, Igor.
" The UbiBus Project: Using Context and Ubiquitous Computing to build Advanced Public Transportation Systems to Support Bus Passengers" <em>Proceedings of the Brazilian Symposium on Information Systems (SBSI)</em> [Online], (16 May 2012)