@inproceedings{Ruder_2019,
title={Transfer Learning in Natural Language Processing},
url={http://dx.doi.org/10.18653/v1/n19-5004},
DOI={10.18653/v1/n19-5004},
booktitle={Proceedings of the 2019 Conference of the North},
publisher={Association for Computational Linguistics},
author={Ruder,
Sebastian and Peters,
Matthew E. and Swayamdipta,
Swabha and Wolf,
Thomas},
year={2019} }