Contextual Bandits on MovieLens 100k
122.7Cumulative RegretGraphDR
Evaluation Results
| Method | Links | ||
|---|---|---|---|
| GraphDRT=200002026.06 | 122.7 | — | |
| PCAT=200002026.06 | 184.7 | — | |
| GraphDR-LinUCBζk=0.67, T (Horizon)=20,000, Seeds=5, Nodes count=15002026.06 | 238.4 | — | |
| GraphDR+LinUCB2026.06 | 238.4 | 2.1 | |
| Laplacian-regT=200002026.06 | 247.2 | — | |
| SpectralUCBT=200002026.06 | 256 | — | |
| full LinUCBT=200002026.06 | 259.1 | — | |
| PCAζk=0.67, T (Horizon)=20,000, Seeds=5, Nodes count=15002026.06 | 331.5 | — | |
| PCA+LinUCB2026.06 | 331.5 | 3.6 | |
| full LinUCBζk=0.67, T (Horizon)=20,000, Seeds=5, Nodes count=15002026.06 | 615 | — | |
| LinUCB-fulld=n2026.06 | 615 | 1.2 | |
| JL+LinUCB2026.06 | 653.4 | 3.3 | |
| Random2026.06 | 704.2 | 1.9 | |
| shuffleζk=0.67, T (Horizon)=20,000, Seeds=5, Nodes count=15002026.06 | 712.7 | — | |
| GraphDR-shuffledcontrol=true2026.06 | 712.7 | 3.2 |