Abstract
Bike sharing is efficient urban mobility method as a user determines the rental period upon his/her demand. A dock-based sharing system designates places (i.e., bike docks or stations) where a user rents or returns a bike. Due to regionally and temporally erratic nature of urban mobility demand, bike imbalance among stations inevitably occurs and a service operator rebalances bikes to prevent service impairment. The precise prediction of imbalance for each station is essential to optimize the rebalancing schedule. This paper presents Dual-Branch Neural Networks (DBNNs) employing Long Short-Term Memory (LSTM) to classify the imbalance level of each station along with the prediction of bike counts. To address the dual objectives, the model trains by backpropagating both classification and prediction losses to the dual output branches individually, and jointly updates the trainable parameters of LSTM layers. The results showcase that the proposed model predicts bike counts within 8% average error for next 24 hours, and achieves 94% accuracy of classification for the same time period.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 2023 17th International Conference on Ubiquitous Information Management and Communication, IMCOM 2023 |
| Editors | Sukhan Lee, Hyunseung Choo, Roslan Ismail |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781665453486 |
| DOIs | |
| State | Published - 2023 |
| Event | 17th International Conference on Ubiquitous Information Management and Communication, IMCOM 2023 - Seoul, Korea, Republic of Duration: 3 Jan 2023 → 5 Jan 2023 |
Publication series
| Name | Proceedings of the 2023 17th International Conference on Ubiquitous Information Management and Communication, IMCOM 2023 |
|---|
Conference
| Conference | 17th International Conference on Ubiquitous Information Management and Communication, IMCOM 2023 |
|---|---|
| Country/Territory | Korea, Republic of |
| City | Seoul |
| Period | 3/01/23 → 5/01/23 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 11 Sustainable Cities and Communities
Keywords
- Bike Sharing
- Dual-Branch Neural Network
- Time-series Prediction
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