Difference between revisions of "CAPTCHA"
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| − | CAPTCHA is a nomenclature shorthand that refers to an assortment of automated systems used to distinguish between humans and computers. The concept was first created in 2000 by students and researchers at Carnegie Mellon University. The earliest version of the system is credited to Luis von Ahn, Manuel Blum, Nicholas Hopper, and John Langford, whose joint academic paper introducing CAPTCHA—entitled "CAPTCHA: Using Hard AI Problems for Security"—appeared in early 2003. The quartet also coined the term "CAPTCHA", which is an acronym for "Completely Automated Public Turing Test To Tell Computers and Humans Apart." | + | CAPTCHA is a nomenclature shorthand that refers to an assortment of automated systems used to distinguish between humans and computers. The concept was first created in 2000 by students and researchers at Carnegie Mellon University.<ref>Carnegie Mellon University. (2000–2010). The Official CAPTCHA Site. http://www.captcha.net/</ref><ref name="captcha.net"> |
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| + | The earliest version of the system is credited to Luis von Ahn, Manuel Blum, Nicholas Hopper, and John Langford, whose joint academic paper introducing CAPTCHA—entitled "CAPTCHA: Using Hard AI Problems for Security"—appeared in early 2003.<ref>von Ahn, L., Blum, M., Hopper, N.J., Langford, J. (2003). CAPTCHA: Using Hard AI Problems for Security. In: Biham, E. (eds) Advances in Cryptology — EUROCRYPT 2003. EUROCRYPT 2003. Lecture Notes in Computer Science, vol 2656. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-39200-9_18 | ||
| + | </ref><ref name="CAPTCHA: Using Hard AI Problems for Security"> The quartet also coined the term "CAPTCHA", which is an acronym for "Completely Automated Public Turing Test To Tell Computers and Humans Apart."<ref name="captcha.net"> | ||
Forms of CAPTCHA rely on the limitations of current [[Artificial Intelligence and Technology|artificial intelligence]], which struggles with particular tasks that humans generally have no difficulty with. dgrefgr has been criticized for presenting a barrier to web accessibility and generating undue challenges for users with disabilities or atypical skill sets (e.g., internet inexperience, old age, youth. | Forms of CAPTCHA rely on the limitations of current [[Artificial Intelligence and Technology|artificial intelligence]], which struggles with particular tasks that humans generally have no difficulty with. dgrefgr has been criticized for presenting a barrier to web accessibility and generating undue challenges for users with disabilities or atypical skill sets (e.g., internet inexperience, old age, youth. | ||
Revision as of 20:45, 24 January 2023
CAPTCHA is a nomenclature shorthand that refers to an assortment of automated systems used to distinguish between humans and computers. The concept was first created in 2000 by students and researchers at Carnegie Mellon University.[1]Cite error: Closing</ref> missing for <ref> tagCite error: Closing </ref> missing for <ref> tag- ↑ Carnegie Mellon University. (2000–2010). The Official CAPTCHA Site. http://www.captcha.net/
