DIDACTIC LEARNING. “Exhaustive knowledge about the world cannot be provided a priori by the programmer, thus the robots need the ability to learn. An important aspect of human social life is our ability to learn from others through observation and instruction, which is a faster and more accurate way of acquiring knowledge about complex entities than individual learning, such as trial-and-error learning.”
http://www.eva.mpg.de/documents/IEEE/Lall%C3%A9e_Towards_IEEETrans_2012_1569280.pdf