@inproceedings{arecaptcha2014,
author={Bakry, M. and Khamis, M. and Abdennadher, S.}, 
booktitle={Document Analysis Systems (DAS), 2014 11th IAPR International Workshop on}, 
title={AreCAPTCHA: Outsourcing Arabic Text Digitization to Native Speakers}, 
year={2014}, 
pages={304-308}, 
doi={10.1109/DAS.2014.50}, 
}