Plug-In Diffusion Model for Sequential Recommendation
Haokai Ma,
Ruobing Xie,
Lei Meng
et al.
Abstract:Pioneering efforts have verified the effectiveness of the diffusion models in exploring the informative uncertainty for recommendation. Considering the difference between recommendation and image synthesis tasks, existing methods have undertaken tailored refinements to the diffusion and reverse process. However, these approaches typically use the highest-score item in corpus for user interest prediction, leading to the ignorance of the user's generalized preference contained within other items, thereby remaini… Show more
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