@article{harnessingthewebforpopulationscale,
  title = {Harnessing the Web for Population-Scale Physiological Sensing: A Case Study of Sleep and Performance},
  author = {Althoff Tim and Horvitz Eric and White Ryen W. and Zeitzer Jamie},
  year = {2017},
  eprint = {1701.07083},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1701.07083v2},
}