@article{mikolov2013efficient,
  title={Efficient estimation of word representations in vector space},
  author={Mikolov, Tomas and Chen, Kai and Corrado, Greg and Dean, Jeffrey},
  journal={arXiv preprint arXiv:1301.3781},
  year={2013}
}


@online{geonames,
  author = {Geonames},
  title = {Geonames},
  year = 2016,
  url = {http://geonames.org},
  urldate = {2016-09-08}
}
