@inproceedings{predictingfloorlevelfor911callswith,
  title = {Predicting Floor-Level for 911 Calls with Neural Networks and Smartphone Sensor Data},
  author = {William Falcon and Henning Schulzrinne},
  year = {2017},
  booktitle = {ICLR 2018 1},
  eprint = {1710.11122},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1710.11122v4},
}