@article{miningsocialmediaforopeninnovationin,
  title = {Mining Social Media for Open Innovation in Transportation Systems},
  author = {Daniela Ulloa and Pedro Saleiro and Rosaldo J. F. Rossetti and Elis Regina Silva},
  year = {2016},
  eprint = {1610.09894},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1610.09894v1},
}