book chapterLecture notes in computer scienceJan 1, 2003BRONZE OA

CAPTCHA: Using Hard AI Problems for Security

LVLuis von AhnMBManuel BlumNHNicholas HopperJLJohn Langford

Carnegie Mellon University

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Abstract

No abstract available for this paper.

Citation impact

1,453
total citations
FWCI
33.21
Percentile
100%
References
15
Citations per year

Authors

4

Topics & keywords

Topics
Keywords
  • CAPTCHA
  • Computer science
  • Factoring
  • Cryptography
  • Steganography
  • Artificial intelligence
  • Construct (python library)
  • Field (mathematics)
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