期刊
IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS
卷 23, 期 7, 页码 8412-8422出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TITS.2021.3080511
关键词
Taxi demand prediction; taxi zone clustering; heterogeneity analysis; deep learning
资金
- National Key Research and Development Program of China [2020YFB2104000]
- National Natural Science Foundation of China (NSFC) [U1811463, U1909204, 62076237, 61876011]
- China Railway [N2019G020, 2019B1515120030]
- Youth Innovation Promotion Association of Chinese Academy of Sciences [2021130]
This paper explores zone clustering and the utilization of inter-zone heterogeneity to improve taxi demand prediction accuracy. By developing a taxi zone clustering algorithm and Multi-Level Recurrent Neural Networks (MLRNN) model, the correlations among different taxi zones are successfully extracted, leading to enhanced prediction accuracy.
Taxi demand prediction is valuable for the decision-making of online taxi-hailing platforms. Data-driven deep learning approaches have been widely utilized in this area, and many complex spatiotemporal characteristics of taxi demand have been studied. However, the heterogeneity of demand patterns among different taxi zones has not been taken into account. To this end, this paper explores zone clustering and how to utilize the inter-zone heterogeneity to improve the prediction. First, based on the pairwise clustering theory, a taxi zone clustering algorithm is designed by considering the correlations among different taxi zones. Then, both the cluster-level and the global-level prediction modules are developed to extract intra-and inter-cluster characteristics, respectively. Finally, a Multi-Level Recurrent Neural Networks (MLRNN) model is proposed by combining the two modules. Experiments on two taxi trip records datasets from New York City demonstrate that our model improves the prediction accuracy compared with other state-of-the-art methods.
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