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Published at November 21REFOL: Resource-Efficient Federated Online Learning for Traffic Flow Forecasting
Released Date: November 21, 2024
Authors: Qingxiang Liu, Sheng Sun, Yuxuan Liang, Xiaolong Xu, Min Liu, Muhammad Bilal, Yuwei Wang, Xujing Li, Yu Zheng

| Methods | PEMS-BAY | METR-LA | ||||||||||
| 5min () | 30min () | 1h () | 5min () | 30min () | 1h () | |||||||
| RMSE | MAE | RMSE | MAE | RMSE | MAE | RMSE | MAE | RMSE | MAE | RMSE | MAE | |
| SVR | 2.01 | 1.09 | 3.74 | 1.79 | 4.80 | 2.28 | 6.43 | 3.46 | 8.41 | 4.34 | 9.61 | 5.00 |
| GRU | 2.02 | 0.99 | 3.93 | 1.77 | 5.50 | 2.42 | 5.56 | 2.91 | 8.13 | 4.17 | 9.41 | 4.90 |
| DCRNN | 1.65 | 0.93 | 4.79 | 2.09 | 6.19 | 2.71 | 4.30 | 3.57 | 7.09 | 4.61 | 8.71 | 5.33 |
| STGCN | 1.46 | 0.86 | 3.62 | 1.73 | 4.43 | 2.26 | 5.92 | 3.82 | 8.60 | 4.62 | 10.66 | 5.92 |
| MegaCRN | 1.61 | 0.91 | 4.42 | 1.94 | 5.33 | 2.33 | 4.24 | 3.54 | 6.77 | 4.51 | 8.11 | 5.09 |
| FedAvg | 1.80 | 1.02 | 3.72 | 1.78 | 5.25 | 2.41 | 5.84 | 3.32 | 8.16 | 4.45 | 9.52 | 5.22 |
| FedGRU | 1.82 | 0.97 | 4.72 | 2.27 | 6.52 | 3.37 | 5.71 | 2.99 | 9.23 | 5.00 | 11.03 | 6.56 |
| FCGCN | 9.25 | 4.82 | 9.45 | 4.97 | 9.36 | 5.04 | 15.37 | 9.69 | 15.45 | 10.04 | 15.16 | 9.83 |
| FASTGNN | 5.32 | 2.82 | 6.06 | 3.20 | 6.84 | 3.76 | 11.73 | 7.27 | 12.98 | 8.23 | 12.82 | 8.16 |
| CNFGNN | 1.82 | 1.04 | 3.60 | 1.73 | 5.13 | 2.64 | 5.82 | 3.25 | 8.03 | 4.24 | 9.38 | 5.12 |
| FedGTP | 1.75 | 1.00 | 4.59 | 2.06 | 6.10 | 2.74 | 6.11 | 2.96 | 9.34 | 4.40 | 11.77 | 5.66 |
| pFedCTP | 5.29 | 2.84 | 6.49 | 3.40 | 7.43 | 3.92 | 8.88 | 5.21 | 10.56 | 6.02 | 12.08 | 7.15 |
| REFOL | 1.00 | 1.00 | 1.86 | 1.61 | 2.44 | 2.08 | 3.29 | 3.29 | 4.87 | 4.02 | 5.29 | 4.21 |