Author

Yuanhao Pu

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Jul 2026

DIRECTOR: Dynamic Index-based Recommendation with Transport-Optimized Retrieval

This work proposes Dynamic Index-based RECommendation with Transport-Optimized Retrieval with Transport-Optimized Retrieval (DIRECTOR), a transport-guided parallel reranking framework that consistently outperforms strong reranking baselines, achieving significant improvement in large-scale industrial recommendation sce...

Yuanhao Pu, Chenghao Zhang, Chao Feng et al. · arXiv.org · 0 citations

Jul 2026

Understanding Knowledge Transfer Mechanism in Heterogeneous MLLM Fusion: A Simple Linear Approach

Cross-scale heterogeneous MLLM fusion is recast as selective language-side reasoning transfer within a narrow, low-interference regime, rather than broad capability inheritance, to recast cross-scale capability transfer within a narrow, low-interference regime.

Yinghao Hou, Jiahe Fan, Yuanhao Pu et al. · arXiv.org · 0 citations

Jul 2026

PSG: Pair-Space Generation for Efficient Generative Reranking

Pair-Space Generation (PSG), a reformulation that elevates the generation atom from individual items to ordered item pairs and establishes three theoretical guarantees that it is bijective with item-space generation and induces an equivalent family of sequence distributions, thus incurring no loss of expressiveness.

Chao Feng, Li Ma, Xiancheng Gao et al. · arXiv.org · 0 citations