@conference {684,
	title = {A Gravity Model for Speed Estimation over Road Network},
	booktitle = {2013 {IEEE} 14th International Conference on Mobile Data Management, Milan, Italy, June 3-6, 2013 - Volume 2},
	year = {2013},
	doi = {10.1109/MDM.2013.83},
	url = {http://dx.doi.org/10.1109/MDM.2013.83},
	author = {Paolo Cintia and Roberto Trasarti and Jos{\'e} Ant{\^o}nio Fernandes de Mac{\^e}do and Livia Almada and Camila Fereira}
}
