Billard, A.2005-11-162005-11-162005-11-16199910.1108/01439919910250232https://infoscience.epfl.ch/handle/20.500.14299/220013WOS:000078565000009DRAMA, a connectionist architecture for on-line learning and control of autonomous robots: Experiments on learning of a synthetic proto-language with a doll robottext::journal::journal article::research article