Telling Humans and Computers Apart Automatically

Luis von Ahn, Manuel Blum, John Langford

Citation
Luis von Ahn, Manuel Blum, John Langford, Telling Humans and Computers Apart Automatically, Communications of the ACM, 47(2):56-60, February 2004.
Descriptions
Annotation:

Keywords: CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart);

Resources
DOI: 10.1145/966389.966390
Google: Search for ["Telling Humans and Computers Apart Automatically" Luis von Ahn Manuel Blum John Langford]
URI: http://www.cs.cmu.edu/~biglou/captcha_cacm.pdf

Bibliography Navigation: Reference List; Author Index; Title Index; Keyword Index

Generated by sharef2html on 2011-04-15, 02:00:41.