Telling humans and computers apart automatically

被引:360
作者
von Ahn, L [1 ]
Blum, M
Langford, J
机构
[1] Carnegie Mellon Univ, Dept Comp Sci, Pittsburgh, PA 15213 USA
[2] Toyota Technol Inst, Chicago, IL USA
关键词
D O I
10.1145/966389.966390
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
The use of completely Automated Public Turing Test to Tell computers and Humans Apart (CAPTCHAS) by popular web sites, to prevent automated registrations, is discussed. CAPTCHAs are similar to the turing test in that they distinguish human from computers. CAPTCHAs offers plausible solution against email worms and spam and prevent dictionary attacks in password systems. CAPTCHAs show that open problems in artificial intelligence (AI) can be useful in avoiding multiple voting or multiple number of free email accounts by an adversary.
引用
收藏
页码:57 / 60
页数:4
相关论文
共 9 条
[1]  
Bongard M. M., 1970, PATTERN RECOGNITION
[2]  
CHAN N, PROGRAM BYAN
[3]   Pessimal print: A reverse turing test [J].
Coates, AL ;
Baird, HS ;
Fateman, RJ .
SIXTH INTERNATIONAL CONFERENCE ON DOCUMENT ANALYSIS AND RECOGNITION, PROCEEDINGS, 2001, :1154-+
[4]  
Freepatentsonline, US Patent, Patent No. 6195698
[5]  
Mori G., 2003, 2003 IEEE COMP SOC C
[6]  
Naor M., VERIFICATION HUMAN L
[7]  
PINKAS B, P ACM COMP SEC C CCS, P161
[8]  
Turing AM., 1950, MIND, V59, P433, DOI 10.1093/mind/LIX.236.433
[9]  
von Ahn L, 2003, LECT NOTES COMPUT SC, V2656, P294