ResearchBenchmarksPersonalized Recommendation on Amazon Review Instruments (leave-one-out)Personalized Recommendation on Amazon Review Instruments (leave-one-out)Follow0.0912NDCG@10L2Rec0.0622880.0697940.07730.084806May 26, 2026Evaluation resultsMethodMethodLinksNDCG@10Recall@10L2RecBackbone=Qwen3-0.6BBackbone=Qwen3-0.6B2026.050.09120.1273LEARNBackbone=Baichuan2-7BBackbone=Baichuan2-7B2026.050.08780.124RecFormer2026.050.0830.1052LLaRABackbone=Llama2-7BBackbone=Llama2-7B2026.050.08120.1078S3-Rec2026.050.07970.111UniSRec2026.050.07850.1119BERT4Rec2026.050.07070.0972SASRec2026.050.06340.0995