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Research questionHow can semantic-ID diffusion recommenders select the right catalog item from ambiguous partial IDs?A partial semantic ID can correspond to multiple catalog items, while position-wise token predictions do not directly represent competition among those items. This can cause denoising to discard candidates that fit the user’s recent interactions.
AI
Diffusion Models
Information Retrieval
Machine Learning
Latest papersRecent research connected to this question, newest first.EPIC: Explicit Posterior Item Conditioning for Semantic ID Diffusion RecommendationThe source concerns semantic-ID diffusion recommenders evaluated on four Amazon benchmarks. Its evidence addresses personalized item selection during denoising, with a frozen pretrained backbone and no additional decoder forward pass.research paper · Sep 3, 2026
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