activity
20222026
collaborators

10 papers

cs.IR2026

RAG-Match: Retrieval-Augmented Knowledge Injection and Hierarchical Reasoning for Calibrated Semantic Relevance

Hengjun Jiang, Liansheng Sun, Yan Jiang +6

Semantic relevance judgment for search is particularly challenging in knowledge-intensive scenarios, where accurate ranking requires not only semantic matching but also background…

cs.IR2026

ResRank: Unifying Retrieval and Listwise Reranking via End-to-End Joint Training with Residual Passage Compression

Xiaojie Ke, Shuai Zhang, Liansheng Sun +6

Large language model (LLM) based listwise reranking has emerged as the dominant paradigm for achieving state-of-the-art ranking effectiveness in information retrieval. However, its…

cs.AI2026

Quark Medical Alignment: A Holistic Multi-Dimensional Alignment and Collaborative Optimization Paradigm

Tianxiang Xu, Jiayi Liu, Yixuan Tong +10

While reinforcement learning for large language model alignment has progressed rapidly in recent years, transferring these paradigms to high-stakes medical question answering revea…

cs.CV2026

E-VAds: An E-commerce Short Videos Understanding Benchmark for MLLMs

Xianjie Liu, Yiman Hu, Liang Wu +4

E-commerce short videos represent a high-revenue segment of the online video industry characterized by a goal-driven format and dense multi-modal signals. Current models often stru…

cs.LG2026

From Atoms to Chains: Divergence-Guided Reasoning Curriculum for Unlabeled LLM Domain Adaptation

Yongqi Wang, Xiaofeng Ji, Jie Wang +6

Adapting Large Language Models (LLMs) to specialized domains without human-annotated data is a crucial yet formidable challenge. Widely adopted knowledge distillation methods often…

cs.CV2026

Mimic Human Cognition, Master Multi-Image Reasoning: A Meta-Action Framework for Enhanced Visual Understanding

Jianghao Yin, Qingbin Li, Kun Sun +10

While Multimodal Large Language Models (MLLMs) excel at single-image understanding, they exhibit significantly degraded performance in multi-image reasoning scenarios. Multi-image…

cs.AI2025

QuarkMed Medical Foundation Model Technical Report

Ao Li, Bin Yan, Bingfeng Cai +16

Recent advancements in large language models have significantly accelerated their adoption in healthcare applications, including AI-powered medical consultations, diagnostic report…

cs.AI2025

Reinforced MLLM: A Survey on RL-Based Reasoning in Multimodal Large Language Models

Guanghao Zhou, Panjia Qiu, Cen Chen +4

The application of reinforcement learning (RL) to enhance the reasoning capabilities of Multimodal Large Language Models (MLLMs) constitutes a rapidly advancing research area. Whil…

cs.CV2025

QG-VTC: Question-Guided Visual Token Compression in MLLMs for Efficient VQA

Shuai Li, Jian Xu, Xiao-Hui Li +2

Recent advances in Multi-modal Large Language Models (MLLMs) have shown significant progress in open-world Visual Question Answering (VQA). However, integrating visual information…

cs.IR2022

Multi-CPR: A Multi Domain Chinese Dataset for Passage Retrieval

Dingkun Long, Qiong Gao, Kuan Zou +7

Passage retrieval is a fundamental task in information retrieval (IR) research, which has drawn much attention recently. In the English field, the availability of large-scale annot…