Next item prediction on Amazon Toys (test)
6.6NDCG@5RISER
Evaluation Results
| Method | Links | ||||||
|---|---|---|---|---|---|---|---|
| RISERBackbone LLM=Qwen2-1.5B, Training Protocol=SFT + RL, Beam Search Width=202026.01 | 6.6 | 7.34 | 7.94 | 8.42 | 10.76 | 13.1 | |
| S-DPOBackbone LLM=Qwen2-1.5B, Training Protocol=SFT + RL, Beam Search Width=202026.01 | 6.05 | 6.71 | 7.36 | 7.9 | 9.94 | 12.56 | |
| D3Backbone LLM=Qwen2-1.5B, Training Protocol=SFT + RL, Beam Search Width=202026.01 | 5.77 | 6.42 | 6.93 | 7.44 | 9.46 | 11.84 | |
| LatentR3Backbone LLM=Qwen2-1.5B, Training Protocol=SFT + RL, Beam Search Width=202026.01 | 5.29 | 6.04 | 6.45 | 7.14 | 9.46 | 11.06 | |
| GRU4Rec*Backbone LLM=Qwen2-1.5B, Training Protocol=SFT + RL2026.01 | 4.82 | 5.16 | 5.63 | 6.06 | 7.14 | 8.98 | |
| SASRec*Backbone LLM=Qwen2-1.5B, Training Protocol=SFT + RL2026.01 | 4.55 | 4.97 | 5.28 | 5.84 | 7.12 | 8.38 | |
| SASRecMethod Type=Traditional2026.01 | 3.07 | 3.49 | 3.89 | 4.08 | 5.38 | 6.96 | |
| AlphaRecBackbone LLM=Qwen2-1.5B, Training Protocol=SFT + RL, Beam Search Width=202026.01 | 2.65 | 3.53 | 4.45 | 4.2 | 6.94 | 10.58 | |
| CoT-RLBackbone LLM=Qwen2-1.5B, Training Protocol=SFT + RL, Beam Search Width=202026.01 | 2.27 | 3.08 | 3.71 | 3.25 | 5.06 | 7.32 | |
| CaserMethod Type=Traditional2026.01 | 2.21 | 2.66 | 3.07 | 3.16 | 4.56 | 6.18 | |
| GRU4RecMethod Type=Traditional2026.01 | 1.96 | 2.34 | 2.72 | 2.64 | 3.84 | 5.4 | |
| Caser*Backbone LLM=Qwen2-1.5B, Training Protocol=SFT + RL2026.01 | 1.93 | 2.51 | 2.95 | 2.88 | 4.7 | 6.46 |