Navigate like a cabbie: probabilistic reasoning from observed context-aware behavior
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
An energy-efficient mobile recommender system
Proceedings of the 16th ACM SIGKDD international conference on Knowledge discovery and data mining
T-drive: driving directions based on taxi trajectories
Proceedings of the 18th SIGSPATIAL International Conference on Advances in Geographic Information Systems
Drive Smartly as a Taxi Driver
UIC-ATC '10 Proceedings of the 2010 Symposia and Workshops on Ubiquitous, Autonomic and Trusted Computing
Taxi-aware map: identifying and predicting vacant taxis in the city
AmI'10 Proceedings of the First international joint conference on Ambient intelligence
Proceedings of the 13th international conference on Ubiquitous computing
Where to find my next passenger
Proceedings of the 13th international conference on Ubiquitous computing
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With the rapid increase in size and population of urban areas, it becomes important to understand urban environmental influencers so that better informed decisions can be made for more sustainable urban environments. Taxis represent one of the urban dynamics from which city planners can gain a better understanding of urban mobility as well as its relationship with other environmental elements. In this work, an analysis of the relationship between flue gases? concentrations (represented by nitrogen dioxide) and taxi volume in Lisbon, Portugal was carried out from which a strong correlation between the two was observed. Based on four months of data, we found that the flue gases' concentrations varied with taxi volume and in particular, taxi volume can be used to estimate the change in flue gases' concentrations of the next hour.