@inproceedings{opendomaintargetedsentimentanalysisvia,
  title = {Open-Domain Targeted Sentiment Analysis via Span-Based Extraction and Classification},
  author = {Minghao Hu and Yuxing Peng and Zhen Huang and Dongsheng Li and Yiwei Lv},
  year = {2019},
  booktitle = {ACL 2019 7},
  eprint = {1906.03820},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1906.03820v1},
}