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Telling humans and computers apart automatically

Published:01 February 2004Publication History
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Abstract

How lazy cryptographers do AI.

References

  1. Ahn, L. von, Blum, M., Hopper, N.J., and Langford, J. CAPTCHA: Telling humans and computers apart. In Advances in Cryptology, Eurocrypt '03, volume 2656 of Lecture Notes in Computer Science, (2003), 294--311.Google ScholarGoogle Scholar
  2. Ahn, L. von, Blum, M., Hopper, N.J., and Langford, J. The CAPTCHA Web page; www.captcha.net.Google ScholarGoogle Scholar
  3. Bongard, M.M. Pattern Recognition. Spartan Books, Rochelle Park, NJ, 1970.Google ScholarGoogle Scholar
  4. Chan, N. Program Byan; drive.to/research.Google ScholarGoogle Scholar
  5. Coates, A.L., Baird, H.S., and Fateman, R.J. Pessimal print: A Reverse Turing Test. In Proceedings of the International Conference on Document Analysis and Recognition (ICDAR '01), Seattle, WA, 2001, 1154--1159. Google ScholarGoogle ScholarDigital LibraryDigital Library
  6. Lillibridge, M.D., Abadi, M., Bharat, K., and Broder, A. Method for selectively restricting access to computer systems. U.S. Patent 6,195,698.Google ScholarGoogle Scholar
  7. Mori, G. and Malik, J. Recognizing objects in adversarial clutter---Breaking a visual CAPTCHA. In Proceedings of the Conference on Computer Vision and Pattern Recognition, June 2003. Google ScholarGoogle ScholarDigital LibraryDigital Library
  8. Naor, M. Verification of a human in the loop or identification via the Turing Test; www.wisdom.weizmann.ac.il/\~naor/PAPERS/human.ps.Google ScholarGoogle Scholar
  9. Pinkas, B. and Sander, T. Securing passwords against dictionary attacks. In Proceedings of the ACM Computer and Security Conference (CCS '02), ACM Press, 161--170. Google ScholarGoogle ScholarDigital LibraryDigital Library
  10. Turing, A.M. Computing machinery and intelligence. Mind 59, 236 (1950), 433--460.Google ScholarGoogle Scholar

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            cover image Communications of the ACM
            Communications of the ACM  Volume 47, Issue 2
            Information cities
            February 2004
            92 pages
            ISSN:0001-0782
            EISSN:1557-7317
            DOI:10.1145/966389
            Issue’s Table of Contents

            Copyright © 2004 ACM

            Publisher

            Association for Computing Machinery

            New York, NY, United States

            Publication History

            • Published: 1 February 2004

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