Tomohisa Yamashita Kiyoshi Izumi Koichi Kurumatani Hideyuki Nakashima Smooth traffic flow with a cooperative car navigation system. 478-485 2005 conf/atal/2005 AAMAS http://doi.acm.org/10.1145/1082473.1082546 db/conf/atal/aamas2005.html#YamashitaIKN05