@inproceedings{Fantechi_2018,
title={Requirement Engineering of Software Product Lines: Extracting Variability Using NLP},
url={http://dx.doi.org/10.1109/re.2018.00053},
DOI={10.1109/re.2018.00053},
booktitle={2018 IEEE 26th International Requirements Engineering Conference (RE)},
publisher={IEEE},
author={Fantechi,
Alessandro and Ferrari,
Alessio and Gnesi,
Stefania and Semini,
Laura},
year={2018},
month=aug }