CAPTCHA
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# Luis von Ahn, Manuel Blum and John Langford. 2004. [http://www.captcha.net/captcha_cacm.pdf Telling Humans and Computers Apart Automatically]. In ''Communications of the ACM''. | # Luis von Ahn, Manuel Blum and John Langford. 2004. [http://www.captcha.net/captcha_cacm.pdf Telling Humans and Computers Apart Automatically]. In ''Communications of the ACM''. | ||
# Carnegie Mellon University. 2009. [http://recaptcha.net/captcha.html What is a CAPTCHA?]. | # Carnegie Mellon University. 2009. [http://recaptcha.net/captcha.html What is a CAPTCHA?]. | ||
| - | # Willis, John M. 2008. [http://www.johnmwillis.com/other/top-10-worst-captchas/ Top 10 Worst Captchas] | + | # Willis, John M. 2008. [http://www.johnmwillis.com/other/top-10-worst-captchas/ Top 10 Worst Captchas]. |
| + | # W3C. 2005. [http://www.w3.org/TR/turingtest/ Inaccessibility of CAPTCHA]. | ||
Revision as of 14:03, 6 April 2009
References
- Luis von Ahn, Ben Maurer, Colin McMillen, David Abraham and Manuel Blum. 2008. reCAPTCHA: Human-Based Character Recognition via Web Security Measures. In Science.
- Luis von Ahn, Manuel Blum, Nicholas Hopper, and John Langford. CAPTCHA: Using Hard AI Problems for Security. In Eurocrypt.
- Luis von Ahn, Manuel Blum and John Langford. 2004. Telling Humans and Computers Apart Automatically. In Communications of the ACM.
- Carnegie Mellon University. 2009. What is a CAPTCHA?.
- Willis, John M. 2008. Top 10 Worst Captchas.
- W3C. 2005. Inaccessibility of CAPTCHA.
