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Telling humans and computers apart automatically

by: Luis von Ahn, Manuel Blum, John Langford
Commun. ACM, Vol. 47, No. 2. (February 2004), pp. 56-60.

X Abstract

How lazy cryptographers do AI.

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This article has been bookmarked 5 times, initially on 2007-04-29.

2009-11-30 User dasbrot
2009-09-14 User dijewu
2009-03-09 User matteodellamico
2008-04-25 User jmgomez
2007-04-29 User tumo
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