activity
20222026
most citedThe Integration of Semantic and Structural Knowledge in Knowledge Graph Entity Typing

9 citations · 14 across the 12 of their papers we have counts for

collaborators

14 papers

cs.AI2026

FINSKILLOPS: A Self-Evolving Multi-Agent System for SEC Filing QA

Yanzhang Ma, Zhenghan Tai, Hanwei Wu +25

Financial QA systems are typically improved before deployment through better retrieval, prompting, or agent coordination, leaving their reliability behavior fixed thereafter. In pr…

cs.IR2026

FinSAgent: Corpus-Aligned Multi-Agent RAG Framework for Evidence-Grounded SEC Filing Question Answering

Jijun Chi, Zhenghan Tai, Hanwei Wu +21

Financial question answering over U.S. Securities and Exchange Commission (SEC) filings requires retrieving and synthesizing heterogeneous evidence dispersed across long, standardi…

cs.LG2026

Rethinking Groups in Critic-Free RLVR

Yihong Wu, Liheng Ma, Lingfeng Xiao +4

Reinforcement learning (RL) has become a central paradigm for post-training large language models. Existing critic-free RL methods typically generate a group of rollouts for the sa…

cs.AI2026★ 3 cited

Towards trustworthy agentic AI: a comprehensive survey of safety, robustness, privacy, and system security

Jinhu Qi, Muzhi Li, Jiahong Liu +9

Agentic AI systems -- Large Language Models (LLMs) augmented with planning, tool use, memory, and long-horizon interactions -- can execute complex tasks autonomously, but their mul…

cs.CL2025

ADRA-Bank: A Modular Benchmark for Academic Deep Research Agents

Zhihan Guo, Feiyang Xu, Yifan Li +7

A surge in academic publications calls for automated deep research (DR) systems, but accurately evaluating them is still an open problem. First, existing benchmarks often focus nar…

cs.CL2025

: A Route-to-Rerank Post-Training Framework for Multi-Domain Decoder-Only Rerankers

Xinyu Wang, Hanwei Wu, Qingchen Hu +13

Decoder-only rerankers are central to Retrieval-Augmented Generation (RAG). However, generalist models miss domain-specific nuances in high-stakes fields like finance and law, and…

cs.IR2025

VeritasFi: An Adaptable, Multi-tiered RAG Framework for Multi-modal Financial Question Answering

Zhenghan Tai, Hanwei Wu, Qingchen Hu +24

Retrieval-Augmented Generation (RAG) is becoming increasingly essential for Question Answering (QA) in the financial sector, where accurate and contextually grounded insights from…

cs.LG2025

It Takes Two: Your GRPO Is Secretly DPO

Yihong Wu, Liheng Ma, Lei Ding +9

GRPO has emerged as a prominent reinforcement learning algorithm for post-training LLMs. Unlike critic-based methods, GRPO computes advantages by estimating the \emph{value baselin…

cs.CL2025

From Evidence to Trajectory: Abductive Reasoning Path Synthesis for Retrieval-Augmented Generation Agents Development

Muzhi Li, Jinhu Qi, Yihong Wu +9

Retrieval-augmented generation (RAG) agent development is hindered by the lack of executable ground-truth agent-environment interaction trajectories. Existing datasets provide ques…

cs.CL2025

An Entity Linking Agent for Question Answering

Yajie Luo, Yihong Wu, Muzhi Li +5

Some Question Answering (QA) systems rely on knowledge bases (KBs) to provide accurate answers. Entity Linking (EL) plays a critical role in linking natural language mentions to KB…

cs.CL2025

Advancing Multi-Agent RAG Systems with Minimalist Reinforcement Learning

Yihong Wu, Liheng Ma, Muzhi Li +7

Large Language Models (LLMs) equipped with modern Retrieval-Augmented Generation (RAG) systems often employ multi-turn interaction pipelines to interface with search engines for co…

cs.IR2025

FinSage: A Multi-aspect RAG System for Financial Filings Question Answering

Xinyu Wang, Jijun Chi, Zhenghan Tai +13

Leveraging large language models in real-world settings often entails a need to utilize domain-specific data and tools in order to follow the complex regulations that need to be fo…

cs.CL2024★ 9 cited

The Integration of Semantic and Structural Knowledge in Knowledge Graph Entity Typing

Muzhi Li, Minda Hu, Irwin King +1

The Knowledge Graph Entity Typing (KGET) task aims to predict missing type annotations for entities in knowledge graphs. Recent works only utilize the \textit{\textbf{structural kn…

cs.CL2022★ 2 cited

Momentum Contrastive Pre-training for Question Answering

Minda Hu, Muzhi Li, Yasheng Wang +1

Existing pre-training methods for extractive Question Answering (QA) generate cloze-like queries different from natural questions in syntax structure, which could overfit pre-train…