| Algorithm1Federated Weighted Inter-client Transfer |
| input Dataset {D(1:t)yC }=1,and Global Parameter 0G output {Bc, m(1:t), (1:t) A1:t αc |
| c=1 1: InitializeBc to 0g for all c ∈C= {1,., C} |
| 2:for task t = 1,2,...do 3: for round r=1,2,..,R do |
| 4: (t,r) and A(t-1,R) of client Cc to server |
| B Compute0 (t,r) 5: |
| j Σcec and {A(e-1,R)}jec to client c |
| 6: Distribute 0() 7: Minimize Eq.(2) for solving each local CL problems |
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| 1-shot | 5-shot | 1-shot | 5-shot |
| Episodic methods | | | | |
| adaResNet (Munkhdalai et al.,2018) | 56.88 ±0.62 | 71.94 ± 0.57 | | |
| TADAM(Oreshkin et al., 2018) | 58.50 ±0.30 | 76.70 ± 0.30 | | |
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| Meta-Baseline (Chen et al.,2020b) | 63.17±0.23 | 79.26 ± 0.17 | | |
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