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Predicting Taxi-Passenger Demand Using Streaming Data
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DOI：10.1109/TITS.2013.2262376.png)
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Abstract
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Informed driving is increasingly becoming a key feature for increasing the sustainability of taxi companies. The sensors that are installed in each vehicle are providing new opportunities for automatically discovering knowledge, which, in return, delivers information for real-time decision making. Intelligent transportation systems for taxi dispatching and for finding time-saving routes are already exploring these sensing data. This paper introduces a novel methodology for predicting the spatial distribution of taxi-passengers for a short-term time horizon using streaming data. First, the information was aggregated into a histogram time series. Then, three time-series forecasting techniques were combined to originate a prediction. Experimental tests were conducted using the online data that are transmitted by 441 vehicles of a fleet running in the city of Porto, Portugal. The results demonstrated that the proposed framework can provide effective insight into the spatiotemporal distribution of taxi-passenger demand for a 30-min horizon.
Keywords:
Autoregressive integrated moving average (ARIMA)
data streams
ensemble learning
Global Positioning System (GPS) data
mobility intelligence
taxi-passenger demand
time-series forecasting
time-varying Poisson models
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