Perhaps also of interest in this context is the work of Gordon Novak (http://www.cs.utexas.edu/users/novak/ http://www.cs.utexas.edu/users/novak/) in the 1970s,

Perhaps also of interest in this context is the work of Gordon Novak (http://www.cs.utexas.edu/users/novak/ http://www.cs.utexas.edu/users/novak/) in the 1970s, related to AI/NLP interpretation of elementary physics problems [1]. [1] http://www.cs.utexas.edu/users/novak/ijcai77.html http://www.cs.utexas.edu/users/novak/ijcai77.html