activity
20242026
collaborators

11 papers

cs.IR2026

Rank4Gen: RAG-Preference-Aligned Document Set Selection and Ranking

Yongqi Fan, Yuxiang Chu, Zhentao Xia +9

In the RAG paradigm, document ranking determines the evidence available to downstream generators. Through controlled analysis, we identify two phenomena underexplored by existing r…

cs.AI2026

ClinicalMC: A Benchmark for Multi-Course Clinical Decision-Making with Large Language Models

Ruihui Hou, Siyi Zhu, Ziyue Huai +4

Large language models (LLMs) have been widely adopted in healthcare, yet they still encounter significant challenges in complex clinical decision-making scenarios. Existing benchma…

cs.AI2026

PsychēChat: An Empathic Framework Focused on Emotion Shift Tracking and Safety Risk Analysis in Psychological Counseling

Zhentao Xia, Yongqi Fan, Yuxiang Chu +4

Large language models (LLMs) have demonstrated notable advancements in psychological counseling. However, existing models generally do not explicitly model seekers' emotion shifts…

cs.IR2025

TFRank: Think-Free Reasoning Enables Practical Pointwise LLM Ranking

Yongqi Fan, Xiaoyang Chen, Dezhi Ye +6

Reasoning-intensive ranking models built on Large Language Models (LLMs) have made notable progress. However, existing approaches often rely on large-scale LLMs and explicit Chain-…

cs.CL2025

KG-o1: Enhancing Multi-hop Question Answering in Large Language Models via Knowledge Graph Integration

Nan Wang, Yongqi Fan, yansha zhu +6

Large Language Models (LLMs) face challenges in knowledge-intensive reasoning tasks like classic multi-hop question and answering, which involves reasoning across multiple facts. T…

cs.CL2025

CMQCIC-Bench: A Chinese Benchmark for Evaluating Large Language Models in Medical Quality Control Indicator Calculation

Guangya Yu, Yanhao Li, Zongying Jiang +9

Medical quality control indicators are essential to assess the qualifications of healthcare institutions for medical services. With the impressive performance of large language mod…