@article{improvingverticalpositioningaccuracywith,
  title = {Improving Vertical Positioning Accuracy with the Weighted Multinomial Logistic Regression Classifier},
  author = {Yi-yan Yao and Xin-long Luo},
  year = {2020},
  eprint = {2004.13909},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2004.13909v2},
}