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ResearchFormerly WizWand

Recommendation on Amazon Books rating >= 4.5 (test)

0.0356NDCG@10Exp-RSFT

Evaluation results

Method	Links
Exp-RSFT2026.03		0.0356	0.052	0.0641	0.1397	0.0319	4.3374
RSFT2026.03		0.0349	0.0514	0.063	0.1388	0.0314	4.335
BC2026.03		0.0328	0.0478	0.0589	0.1279	0.0296	4.2824
PPO2026.03		0.0094	0.0156	0.0184	0.0469	0.0088	4.4549
DPO2026.03		0.0008	0.002	0.0019	0.0075	0.0013	4.8615