Convolutional Long Short-Term Memory Two-Dimensional Bidirectional Graph Convolutional Network for Taxi Demand Prediction

Yibo Cao (), Lu Liu and Yuhan Dong ()
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Yibo Cao: Shenzhen International Graduate School, Tsinghua University, Shenzhen 518000, China
Lu Liu: Shenzhen International Graduate School, Tsinghua University, Shenzhen 518000, China
Yuhan Dong: Shenzhen International Graduate School, Tsinghua University, Shenzhen 518000, China

Sustainability, 2023, vol. 15, issue 10, 1-14

Abstract: With the rise of the online ride-hailing market, taxi demand prediction has received more and more research interest in intelligent transportation. However, most traditional research methods mainly focused on the demand based on the original point and ignored the intention of the passenger’s destination. At the same time, many forecasting methods need sufficient investigation and data processing, which undoubtedly increases the complexity and operability of forecasting problems. Therefore, we regard the current taxi demand prediction as an origin–destination problem in order to provide more accurate predictions for the taxi demand problem. By combining a spatial network based on graph convolutional network (GCN) and a temporal network of convolutional long short-term memory (Conv-LSTM), we propose a new spatial-temporal model of Conv-LSTM two-dimensional bidirectional GCN (CTBGCN) to uncover the potential correlation between origin and destination. We utilize the temporal network for effective temporal information and the spatial network of multi-layers to get the implicit origin–destination correlation. Numerical results suggest that the proposed method outperforms the state-of-the-art baseline and other traditional methods.

Keywords: taxi demand forecasting; origin–destination; bidirectional convolution (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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