Kaitong Cai

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Publication activitypapers/week, last 8 weeks

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Multimodal Models (1)Recommendation & Information Retrieval (1)RLHF & Preference Learning (1)

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Hejin Huang (1)Jusheng Zhang (1)Jian Wang (1)Rong Pan (1)

Papers (1)

Mar 31, 2026

Hejin Huang +41d ago·also Snap Research

Aligning Multimodal Sequential Recommendations via Robust Direct Preference Optimization with Sparse MoE

Stochastic negative sampling in Direct Preference Optimization (DPO) dramatically improves multimodal sequential recommendation, suggesting that carefully curated "wrong" answers are key to preference learning.

Hejin Huang, Jusheng Zhang, Kaitong Cai +2

Multimodal Models Recommendation & Information Retrieval RLHF & Preference Learning

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Kaitong Cai

Publication activitypapers/week, last 8 weeks

Research focus

Frequent co-authors

Papers (1)