collaborators

5 papers

cs.IR2026

Preference Flow Matching with Spectral Factorization for Micro-video Recommendation

Xinxin Dong, Haokai Ma, Fei Hu +4

Micro-video recommendation aims to infer user preferences from historical interactions and multimodal video content, thereby identifying the next video of interest. However, prevai…

cs.IR2026

EchoRec: Multi-Item Prediction-Empowered Generative Recommendation via Cycle-Consistent Preference Alignment

Haokai Ma, Aoqi Hu, Yueao Xing +5

Generative recommendation autoregressively generates the semantic IDs of the target item, unifying preference modeling and index retrieval within the shared token space. Recent att…

cs.CV2026

Who Transfers Safety? Identifying and Targeting Cross-Lingual Shared Safety Neurons

Xianhui Zhang, Chengyu Xie, Linxia Zhu +6

Multilingual safety remains significantly imbalanced, leaving non-high-resource (NHR) languages vulnerable compared to robust high-resource (HR) ones. Moreover, the neural mechanis…

cs.LG2026

PASs-MoE: Mitigating Misaligned Co-drift among Router and Experts via Pathway Activation Subspaces for Continual Learning

Zhiyan Hou, Haiyun Guo, Haokai Ma +3

Continual instruction tuning (CIT) requires multimodal large language models (MLLMs) to adapt to a stream of tasks without forgetting prior capabilities. A common strategy is to is…

cs.IR2025

Align-for-Fusion: Harmonizing Triple Preferences via Dual-oriented Diffusion for Cross-domain Sequential Recommendation

Yongfu Zha, Xinxin Dong, Haokai Ma +2

Personalized sequential recommendation aims to predict appropriate items for users based on their behavioral sequences. To alleviate data sparsity and interest drift issues, conven…