A method and system for locating a dependent by a guardian entity at a locality using RFID technology is disclosed. A RFID tag is situated with the dependent and a plurality of RFID reader devices capable of communicating with the RFID tag are distributed about the locality. A processor is directing...http://www.google.fr/patents/US7714725?utm_source=gb-gplus-shareBrevet US7714725 - Method and system for locating a dependent