I'm sorry, Dave, I'm afraid I can't do that

37 Pages·2012·5.34 MB·English

“I’m sorry, Dave, �
I’m afraid I can’t do that”:�
Can computers really understand what we say?

Lillian Lee

Professor, Computer Science

http://www.cs.cornell.edu/home/llee

Cornell summer evening lecture, July 2012
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Intelligence è human-level language use

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Do authors dream of electric speech?

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from sci-fi to science and engineering
Natural-language processing (NLP)

Goal: create systems that use human language as input/output

•  speech-based interfaces

•  information retrieval / question answering

•  automatic summarization of news, emails, postings, etc.

•  automatic translation

… and much more!

Interdisciplinary: computer science; linguistics, psychology,
communication; probability & statistics, information theory…
Recently deployed (in beta): Siri

http://www.apple.com/iphone/features/siri.html
State of the art: Watson

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The Watson system beat human Jeopardy! champions (and
didn’t have internet access; it learned by “reading”
before the match)