@INPROCEEDINGS {28151,
author={M.  Veloso and P. M. d´Orey and S.  Phithakkitnukoon and C.  Bento and M.  Ferreira},
doi={},
booktitle={IEEE Conf. on Intelligent Transportation Systems},
title={Inferring Exhaust Gases Levels using Taxi Service and Meteorological Data: An Experiment in the City of Porto, Portugal},
year={2016},
month={November},
volume={0},
pages={1970-1975} 
}