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THE NEXT DECADE IN AI / GARY MARCUS 

a large degree on verbal overlap between question and answer and (c) have very 
limited ability to incorporate prior knowledge. Perhaps most importantly, (d) they don't 
produce rich cognitive models that could be passed to reasoners as their output. Peter 
Norvig's dissertation on story understanding (Norvig, 1986) attempted to do something 
like this in a classic symbol-manipulation framework, as was much of Schank’s and 
Abelseon’s  (Schank & Abelson, 1977) seminal work, but so far as I know story 
understanding is no longer an active current area of research.  It is a  vital question that 
has been abandoned, rather than resolved. (Schank & Abelson, 1977)
The Next Decade in AI-