David Steier

“ But world knowledge is so huge and amorphous that I have never had the courage to tackle it. Nothing less than a system as sophisticated as Soar could possibly encompass it, and even Soar might not suffice. ”

“ It is common knowledge that libraries are things you go inside of whereas trees (generally) are not, and that trees are things you bump into whereas libraries (generally) are not. That is to say, people know about libraries and about trees, and what they know resolves the potential ambiguity so rapidly that it is not even noticed. ”