How can humanoid acquire lexicon? active approach by attention and learning biases based on curiosity.

Masaki Ogino Masaaki Kikuchi Minoru Asada How can humanoid acquire lexicon? active approach by attention and learning biases based on curiosity. 3480-3485 2006 IROS http://dx.doi.org/10.1109/IROS.2006.282590 conf/iros/2006 db/conf/iros/iros2006.html#OginoKA06