activity
20242026
collaborators

5 papers

cs.CL2026

From Scenes to Elements: Multi-Granularity Evidence Retrieval for Verifiable Multimodal RAG

Guanhua Chen, Chuyue Huang, Yutong Yao +4

Multimodal Retrieval-Augmented Generation (RAG) systems retrieve evidence at coarse granularities (entire images or scenes), creating a mismatch with fine-grained user queries and…

cs.CL2026

Chain-of-Procedure: Hierarchical Visual-Language Reasoning for Procedural QA

Guanhua Chen, Yutong Yao, Shenghe Sun +5

Recent advances in vision-language models (VLMs) have achieved impressive results on standard image-text tasks, yet their potential for visual procedure question answering (VP-QA)…

cs.CL2025

SGIC: A Self-Guided Iterative Calibration Framework for RAG

Guanhua Chen, Yutong Yao, Lidia S. Chao +2

Recent research in retrieval-augmented generation (RAG) has concentrated on retrieving useful information from candidate documents. However, numerous methodologies frequently negle…

cs.CL2025

Not All LoRA Parameters Are Essential: Insights on Inference Necessity

Guanhua Chen, Yutong Yao, Ci-Jun Gao +3

Current research on LoRA primarily focuses on minimizing the number of fine-tuned parameters or optimizing its architecture. However, the necessity of all fine-tuned LoRA layers du…

cs.CL2024

PMMT: Preference Alignment in Multilingual Machine Translation via LLM Distillation

Shuqiao Sun, Yutong Yao, Peiwen Wu +2

Translation is important for cross-language communication, and many efforts have been made to improve its accuracy. However, less investment is conducted in aligning translations w…