Investigation on the evolution of an indoor robotic localization system based on wireless networks - Pessin, Gustavo; Osório, Fernando Santos; Souza, Jefferson R; Ueyama, Jó; Costa, Fausto G.; Wolf, Denis Fernando; Dimitrova, Desislava; Braun, Torsten; Vargas, Patrícia A. (Applied Artificial Intelligence, 2013)