collaborators

5 papers

cs.IR2026

SMART: LLM-Augmented Hybrid Retrieval for Dynamic Product Ads

Congfei Zhang, Jingxiao Ma, Xiaodong Liu +14

Dynamic Product Ads (DPA) require retrieving relevant items from multi-million product catalogs, balancing two competing objectives: retargeting (re-surfacing known interests) and…

cs.IR2026

EGR: Embedding-Native Generative Retrieval with a Shared LLM

Xiaodong Liu, Congfei Zhang, Hsiang-wei Chao +13

Generative retrieval is increasingly popular in large-scale recommendation and advertising systems, yet current methods introduce practical complications. Semantic-ID methods rely…

cs.CV2026

CRISP: Pre-LLM Yet Text-Driven Visual Token Pruning for Efficient LVLM Inference

Xu Li, Yi Zheng, Mengyang Zhao +7

Large Vision-Language Models (LVLMs) typically require processing hundreds to thousands of visual tokens, leading to substantial inference overhead. Existing visual token pruning m…

cs.LG2026

ResPrune: Text-Conditioned Subspace Reconstruction for Visual Token Pruning in Large Vision-Language Models

Xu Li, Yi Zheng, Yuxuan Liang +5

Large Vision-Language Models (LVLMs) rely on dense visual tokens to capture fine-grained visual information, but processing all these tokens incurs substantial computational and me…

cs.CV2025

Pyramid Token Pruning for High-Resolution Large Vision-Language Models via Region, Token, and Instruction-Guided Importance

Yuxuan Liang, Xu Li, Xiaolei Chen +4

Large Vision-Language Models (LVLMs) have recently demonstrated strong multimodal understanding, yet their fine-grained visual perception is often constrained by low input resoluti…