@article{Bouziane2015Question,
title={Question answering systems: survey and trends},
author={Bouziane, Abdelghani and Bouchiha, Djelloul and Doumi, Noureddine and Malki, Mimoun},
journal={Procedia Computer Science},
volume={73},
pages={366--375},
year={2015},
publisher={Elsevier}
}