@article{efficientsemisupervisedlearningfor,
  title = {Efficient Semi-Supervised Learning for Natural Language Understanding by Optimizing Diversity},
  author = {Eunah Cho and He Xie and John P. Lalor and Varun Kumar and William M. Campbell},
  year = {2019},
  eprint = {1910.04196},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1910.04196v1},
}