Privacy-preserving, user-centric VoIP CAPTCHA challenges.
| Autor: | Tasidou, Aimilia, Efraimidis, Pavlos S., Soupionis, Yannis, Mitrou, Lilian, Katos, Vasilios |
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| Zdroj: | Information & Computer Security; 2016, Vol. 24 Issue 1, p2-19, 18p |
| Databáze: | Complementary Index |
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