When David Marr at MIT moved into computer vision he generated a lot of excitement but he hit up against the problem of knowledge representation he had no good representations for knowledge in his vision systems.
To attempt this would be like seeing without eyes or directing the gaze of knowledge behind one's own eye. Modern science can acknowledge no other than this epistemological stand-point.
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I think Lenat is headed in the right direction but someone needs to include a knowledge base about learning.