Chen2015Recommender.md

Chen2015Recommender'
@article{Chen2015Recommender,
  title={Recommender systems based on user reviews: the state of the art},
  author={Chen, Li and Chen, Guanliang and Wang, Feng},
  journal={User Modeling and User-Adapted Interaction},
  volume={25},
  pages={99--154},
  year={2015},
  publisher={Springer}
}
'''