Beyond Semantic Understanding: Preserving Collaborative Frequency Components in LLM-based Recommendation
超越语义理解:在基于LLM的推荐中保留协同频率分量
机构 * East China Normal University Shanghai China ; Beijing Jiaotong University Beijing China ; Shandong University Jinan, Shandong China ; East China Normal University \& Shanghai Innovation Institute Shanghai China ; East China Normal University ; Beijing Jiaotong University ; Shandong University ; East China Normal University \& Shanghai Innovation Institute
专题命中 领域大模型 :LLM(title,title_cn);large language model(abstract);language model(abstract);分类 cs.CL
AI总结 针对基于LLM的推荐系统过度强调语义相关性而削弱协同信号的问题,提出FreLLM4Rec方法,通过全局图低通滤波和逐层时频调制从频谱角度平衡语义与协同信息,在四个基准数据集上NDCG@10提升高达8.00%。
Comments 12 pages, 7 figures