activity
20222026
most citedLoRA Dropout as a Sparsity Regularizer for Overfitting Control

8 citations · 8 across the 14 of their papers we have counts for

collaborators

17 papers

cs.MA2026

GitHarness: Git Init Your Harness Working Memory for Perpetual User Requirements

Zhibang Yang, Xinke Jiang, Yuxuan Liu +9

LLM-based agents increasingly collaborate with users on long-horizon tasks, accumulating evidence, code, and drafts through extensive search, reasoning, and execution. As users ins…

cs.MA2026

Harness-RL: Black-Box Reinforcement Learning with Action-Args Decoupling for Central-Agent Multi-Agent Harnesses

Xinke Jiang, Zhixin Zhang, Zhibang Yang +6

Large language model agents increasingly solve long-horizon tasks through multi-agent harnesses in which a central agent coordinates specialized sub-agents, tools, and environments…

cs.MA2026

AgenticRag-R1: Agentic Reinforcement Learning with Stack Memory for Multi-Step Reasoning, Retrieval and Memorizing

Xinke Jiang, Yue Fang, Zhibang Yang +12

Retrieval-Augmented Generation (RAG) improves the factuality of large language models (LLMs), yet existing RAG systems often struggle with complex, multi-step reasoning that requir…

cs.LG2026

LoongReflect: Boosting Long-Horizon Reflection in Search Agents via Global Perspective Distillation

Zhixin Zhang, Xinke Jiang, Zhibang Yang +5

Large language model agents increasingly rely on long-horizon reasoning to solve complex tasks involving planning, tool use, and memory. A critical capability in such settings is r…

cs.SE2026

Beyond Fail-to-Pass: Iterative Hardening of Co-Generated Bug Reproduction Tests and Fixes

Yuhao Tan, Zhibang Yang, Fangkai Yang +9

Large language models (LLMs) have made automated program repair (APR) increasingly practical for real-world bugs, but repairing directly from bug reports remains underconstrained.…

cs.LG2026

ToolAtlas: Learning Once, Reusing Everywhere with Tool-Side Memory

Yue Fang, Zhibang Yang, Fangkai Yang +5

Large language model (LLM) agents increasingly rely on external tools served by shared providers and accessed by heterogeneous downstream agents. Existing approaches improve tool u…

cs.LG2026

The Weakest Link Tells It All: Outcome-Supervised Process Reward Modeling via Learnable Credit Assignment

Tianyu Jia, Yue Fang, Hongxin Ding +6

Process reward models (PRMs) enhance the reasoning capabilities of large language models (LLMs) by providing fine-grained feedback, yet training PRMs typically requires expensive s…

cs.AI2026

ScaffoldAgent: Utility-Guided Dynamic Outline Optimization for Open-Ended Deep Research

Zhibang Yang, Xinke Jiang, Yuzhen Xiao +9

Open-ended deep research (OEDR) requires systems to acquire knowledge through multi-round retrieval and generate coherent long-form reports. The outline plays a central role as a s…

cs.LG2026

GraphWalker: Patient Analogy Meets Information Gain for Clinical Reasoning with Large Language Models

Yue Fang, Weibin Liao, Yuxin Guo +8

Clinical reasoning over electronic health records (EHRs) is a fundamental yet challenging task in modern healthcare. While large language models (LLMs) offer a promising paradigm v…

cs.LG2026

What Do Agents Learn from Trajectory-SFT: Semantics or Interfaces?

Weizheng Gu, Chengze Li, Zhuohao Yu +6

Large language models are increasingly evaluated as interactive agents, yet standard agent benchmarks conflate two qualitatively distinct sources of success: semantic tool-use and…

cs.AI2026

StackPlanner: A Centralized Hierarchical Multi-Agent System with Task-Experience Memory Management

Ruizhe Zhang, Xinke Jiang, Zhibang Yang +12

Multi-agent systems based on large language models, particularly centralized architectures, have recently shown strong potential for complex and knowledge-intensive tasks. However,…

cs.LG2025

Bridging Global Intent with Local Details: A Hierarchical Representation Approach for Semantic Validation in Text-to-SQL

Rihong Qiu, Zhibang Yang, Xinke Jiang +5

Text-to-SQL translates natural language questions into SQL statements grounded in a target database schema. Ensuring the reliability and executability of such systems requires vali…

cs.AI2025

Toward Better EHR Reasoning in LLMs: Reinforcement Learning with Expert Attention Guidance

Yue Fang, Yuxin Guo, Jiaran Gao +9

Improving large language models (LLMs) for electronic health record (EHR) reasoning is essential for enabling accurate and generalizable clinical predictions. While LLMs excel at m…

cs.LG2025

DFAMS: Dynamic-flow guided Federated Alignment based Multi-prototype Search

Zhibang Yang, Xinke Jiang, Rihong Qiu +8

Federated Retrieval (FR) routes queries across multiple external knowledge sources, to mitigate hallucinations of LLMs, when necessary external knowledge is distributed. However, e…

cs.LG2024★ 8 cited

LoRA Dropout as a Sparsity Regularizer for Overfitting Control

Yang Lin, Xinyu Ma, Xu Chu +4

Parameter-efficient fine-tuning methods, represented by LoRA, play an essential role in adapting large-scale pre-trained models to downstream tasks. However, fine-tuning LoRA-serie…

cs.LG2024

Parameter Efficient Quasi-Orthogonal Fine-Tuning via Givens Rotation

Xinyu Ma, Xu Chu, Zhibang Yang +3

With the increasingly powerful performances and enormous scales of pretrained models, promoting parameter efficiency in fine-tuning has become a crucial need for effective and effi…

cs.CV2022

Boosting Semi-Supervised Learning with Contrastive Complementary Labeling

Qinyi Deng, Yong Guo, Zhibang Yang +2

Semi-supervised learning (SSL) has achieved great success in leveraging a large amount of unlabeled data to learn a promising classifier. A popular approach is pseudo-labeling that…