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brazil84 comments on The $125,000 Summer Singularity Challenge - Less Wrong
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Here's a quote I found from the IBM research blog:
Seems to me that at a minimum, this shows that Watson does not ignore category titles.
I didn't say it ignores categories -- it knows which questions go together in a category, and learns what to use for a given category as it sees question-answer pairs for it. What I said was that it ignores category titles.
However as it happened I was wrong about this; slight misremembrance, sorry. Watson does note category titles, it just doesn't weight them very highly. Apparently it learned this automatically during its training games. Source: http://www-03.ibm.com/innovation/us/watson/related-content/toronto.html