Christos Fidas, Artemios G. Voyiatzis. An empirical study on efficiency and effectiveness of localized vs. Latin-based CAPTCHA challenges. In Panayiotis H. Ketikidis, Konstantinos G. Margaritis, Ioannis P. Vlahavas, Alexander Chatzigeorgiou, George Eleftherakis, Ioannis Stamelos, editors, 17th Panhellenic Conference on Informatics, PCI 2013, Thessaloniki, Greece - September 19 - 21, 2013. pages 91-97, ACM, 2013. [doi]
@inproceedings{FidasV13,
title = {An empirical study on efficiency and effectiveness of localized vs. Latin-based CAPTCHA challenges},
author = {Christos Fidas and Artemios G. Voyiatzis},
year = {2013},
doi = {10.1145/2491845.2491867},
url = {http://doi.acm.org/10.1145/2491845.2491867},
researchr = {https://researchr.org/publication/FidasV13},
cites = {0},
citedby = {0},
pages = {91-97},
booktitle = {17th Panhellenic Conference on Informatics, PCI 2013, Thessaloniki, Greece - September 19 - 21, 2013},
editor = {Panayiotis H. Ketikidis and Konstantinos G. Margaritis and Ioannis P. Vlahavas and Alexander Chatzigeorgiou and George Eleftherakis and Ioannis Stamelos},
publisher = {ACM},
isbn = {978-1-4503-1969-0},
}