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"How Good Are Humans at Solving CAPTCHAs? A Large Scale Evaluation."
Elie Bursztein et al. (2010)
- Elie Bursztein, Steven Bethard, Celine Fabry, John C. Mitchell, Daniel Jurafsky:
How Good Are Humans at Solving CAPTCHAs? A Large Scale Evaluation. IEEE Symposium on Security and Privacy 2010: 399-413
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