•What is a category? (class,
concept)
–A set of objects/things? What sets are valid?
–A probability distribution?
•What determines what belongs to a category?
–With a category comes the ability to judge in principle whether new things are part of it. How does this work?
–Are categories in the world or in our head?
•How do we determine categories computationally?
–How do we represent and use prior knowledge?
–How do we cope with partial information? ….
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