Xihang Wang

Zhejiang University

Papers on Lattice

Total citations

Topics

Publication activitypapers/week, last 8 weeks

Research focus

Multimodal Models (2)Natural Language Processing (2)Recommendation & Information Retrieval (2)

Frequent co-authors

Zihan Wang (2)Chengkai Huang (2)Quan Z. Sheng (2)Lina Yao (2)

Papers (2)

Apr 30, 2026

1d ago·also Macquarie, Meituan, UNSW

Purifying Multimodal Retrieval: Fragment-Level Evidence Selection for RAG

Stop drowning your MLLMs in irrelevant context: FES-RAG shows that carefully selecting multimodal fragments boosts factual accuracy by up to 27% and slashes context length.

Xihang Wang, Zihan Wang, Chengkai Huang +4

Multimodal Models Natural Language Processing Recommendation & Information Retrieval

Apr 27, 2026

4d ago·also Macquarie, Meituan, PKU, UNSW

MEG-RAG: Quantifying Multi-modal Evidence Grounding for Evidence Selection in RAG

Semantic grounding, not token probability, is the key to better multimodal RAG.

Xihang Wang, Zihan Wang, Chengkai Huang +5