@inproceedings{understandingpretrainedbertforaspect,
  title = {Understanding Pre-trained BERT for Aspect-based Sentiment Analysis},
  author = {Hu Xu and Lei Shu and Philip S. Yu and Bing Liu},
  year = {2020},
  booktitle = {COLING 2020 8},
  eprint = {2011.00169},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2011.00169v1},
}