OneRec: Unifying Retrieve and Rank with Generative Recommender and Preference Alignment

预备知识

核心思想

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User Features: Multi-Scale Feature Engineering

Item Features: Collaborative-Aware Multimodal Representation

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Balanced K-means Clustering

Next-Token Prediction

Iterative Preference Alignment with RM

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一些有趣的实验

Parameter Scaling

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Infer Scaling

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注: 如果我没理解错, $K$ 应该是指 beam search 的采样次数.

Sampling Efficiency

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参考文献

  1. Deng J., Wang S., Cai K., Ren L., Hu Q., Ding W., Luo Q., and Zhou G. OneRec: Unifying Retrieve and Rank with Generative Recommender and Preference Alignment. arXiv, 2025. [PDF] [Code]
  2. OneRec Team. OneRec Technical Report. arXiv, 2025. [PDF] [Code]