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Guibin Zhang

41 accepted papers

2026

Aegis: Automated Error Generation and Identification for Multi-Agent Systems

ICLR 2026poster

Large language model based multi-agent systems (MAS) have unlocked significant advancements in tackling complex problems, but their increasing capability introduces a structural fragility that makes them difficult to debug. A key obstacle to improving their reliability is the severe scarcity of larg…

Cited by 0SourceScholar
2026

AgenTracer: Who Is Inducing Failure in the LLM Agentic Systems?

ICLR 2026poster

Large Language Model (LLM)-based agentic systems, often comprising multiple models, complex tool invocations, and orchestration protocols, substantially outperform monolithic agents. Yet this very sophistication amplifies their fragility, making them more prone to system failure. Pinpointing the spe…

Cited by 0SourceScholar
2026

CoMAS: Co-Evolving Multi-Agent Systems via Interaction Rewards

ICLR 2026poster

Self-evolution is a central research topic in enabling large language model (LLM)-based agents to continually improve their capabilities after pretraining. Recent research has witnessed a transition from reinforcement learning (RL)-free to RL-based methods. Current RL-based methods either rely on de…

Cited by 0SourcecodeScholar
2026

DAWN: Distributed LLM Multi-Agent Workflow Synthesis

AAAI 2026technical

Large language models (LLMs) have recently empowered multi-agent systems (MAS) to achieve remarkable advances in collaborative reasoning and complex task automation. The effectiveness of these systems fundamentally depends on the design of adaptive communication graphs—the underlying workflows that

Cited by 0SourcePDFScholar
2026

Goal-Aware Identification and Rectification of Misinformation in Multi-Agent Systems

ICLR 2026poster

Large Language Model-based Multi-Agent Systems (MASs) have demonstrated strong advantages in addressing complex real-world tasks. However, due to the introduction of additional attack surfaces, MASs are particularly vulnerable to misinformation injection. To facilitate a deeper understanding of misi…

Cited by 0SourcecodeScholar
2026

MAS$^2$: Self-Generative, Self-Configuring, Self-Rectifying Multi-Agent Systems

ICLR 2026poster

The past two years have witnessed the meteoric rise of Large Language Model (LLM)-powered multi-agent systems (MAS), which harness collective intelligence and exhibit a remarkable trajectory toward self-evolution. This paradigm has rapidly progressed from manually engineered systems that require bes…

Cited by 0SourcecodeScholar
2026

Mem-T: Densifying Rewards for Long-Horizon Memory Agents

ICML 2026poster

Memory agents, which depart from predefined memory-processing pipelines by endogenously managing the processing, storage, and retrieval of memories, have garnered increasing attention for their autonomy and adaptability. However, existing training paradigms remain constrained: agents often traverse …

Cited by 0SourceScholar
2026

MemEvolve: Meta-Evolution of Agent Memory Systems

ICML 2026poster

Self-evolving memory systems are rapidly reshaping the evolutionary paradigm of large language model (LLM)-based agents. Prior work has predominantly relied on manually engineered memory architectures to store trajectories, distill experience, and synthesize reusable tools, enabling agents to evolve…

Cited by 0SourceScholar
2026

Memoria-Bench: A Comprehensive Benchmark for Evaluating Memory in Long-Horizon Autonomous Agents

ICML 2026poster

Memory is a core capability of autonomous agents, yet existing benchmarks evaluate it primarily in constrained settings such as short dialogues or synthetic tasks, failing to reflect realistic agent deployments. We present \textbf{Memoria-Bench}, a benchmark for evaluating agent memory grounded in c…

Cited by 0SourceScholar
2026

OrthAlign: Orthogonal Subspace Decomposition for Non-Interfering Multi-Objective Alignment

ICLR 2026poster

Large language model (LLM) alignment faces a critical dilemma when addressing multiple human preferences: improvements in one dimension frequently come at the expense of others, creating unavoidable trade-offs between competing objectives like helpfulness and harmlessness. While prior work mainly fo…

Cited by 0SourcecodeScholar
2026

SafeSieve: From Heuristics to Experience in Progressive Pruning for LLM-based Multi-Agent Communication

AAAI 2026technical

LLM-based multi-agent systems exhibit strong collaborative capabilities but often suffer from redundant communication and excessive token overhead. Existing methods typically enhance efficiency through pretrained GNNs or greedy algorithms, but often isolate pre- and post-task optimization, lacking a

Cited by 0SourcePDFScholar
2026

TodoEvolve: Learning to Architect Agent Planning Systems

ICML 2026poster

Planning has become a central capability for contemporary agent systems in navigating complex, long-horizon tasks, yet existing approaches predominantly rely on fixed, hand-crafted planning structures that lack the flexibility to adapt to the structural diversity of open-ended problems. To address t…

Cited by 0SourceScholar
2026

VisMem: Latent Vision Memory Unlocks Potential of Vision-Language Models

CVPR 2026

Despite the remarkable success of Vision-Language Models (VLMs), their performance on a range of complex visual tasks is often hindered by a "visual processing bottleneck": a propensity to lose grounding in visual evidence and exhibit a deficit in contextualized visual experience during prolonged ge

Cited by 0SourcecodeScholar
2026

Visual Multi-Agent System: Mitigating Hallucination Snowballing via Visual Flow

ICLR 2026poster

Multi-Agent System (MAS) powered by Visual Language Models (VLMs) enables challenging tasks but suffers from a novel failure term, multi-agent visual hallucination snowballing, where hallucinations are seeded in a single agent and amplified by following ones due to the over-reliance on textual flow…

Cited by 0SourcecodeScholar
2025

AgentAuditor: Human-level Safety and Security Evaluation for LLM Agents

NeurIPS 2025poster

Despite the rapid advancement of LLM-based agents, the reliable evaluation of their safety and security remains a significant challenge. Existing rule-based or LLM-based evaluators often miss dangers in agents' step-by-step actions, overlook subtle meanings, fail to see how small issues compound, an…

Cited by 0SourcecodeScholar
2025

Cut the Crap: An Economical Communication Pipeline for LLM-based Multi-Agent Systems

ICLR 2025poster

Recent advancements in large language model (LLM)-powered agents have shown that collective intelligence can significantly outperform individual capabilities, largely attributed to the meticulously designed inter-agent communication topologies. Though impressive in performance, existing multi-agent…

2025

EAGLES: Towards Effective, Efficient, and Economical Federated Graph Learning via Unified Sparsification

ICML 2025poster

Federated Graph Learning (FGL) has gained significant attention as a privacy-preserving approach to collaborative learning, but the computational demands increase substantially as datasets grow and Graph Neural Network (GNN) layers deepen. To address these challenges, we propose $\textbf{EAGLES}$, a…

Cited by 0SourcePDFScholar
2025

Energy-based Backdoor Defense Against Federated Graph Learning

ICLR 2025oral

Federated Graph Learning is rapidly evolving as a privacy-preserving collaborative approach. However, backdoor attacks are increasingly undermining federated systems by injecting carefully designed triggers that lead to the model making incorrect predictions. Trigger structures and injection locatio…

Cited by 0SourcePDFScholar
2025

Fast Track to Winning Tickets: Repowering One-Shot Pruning for Graph Neural Networks

AAAI 2025technical

Graph Neural Networks (GNNs) demonstrate superior performance in various graph learning tasks, yet their wider real-world application is hindered by the computational overhead when applied to large-scale graphs. To address the issue, the Graph Lottery Hypothesis (GLT) has been proposed, advocating t…

2025

FedSPA: Generalizable Federated Graph Learning under Homophily Heterogeneity

CVPR 2025poster

Federated Graph Learning (FGL) has emerged as a solution to address real-world privacy concerns and data silos in graph learning, which relies on Graph Neural Networks (GNNs). Nevertheless, the homophily level discrepancies within the local graph data of clients, termed homophily heterogeneity, sign…

2025

G-Designer: Architecting Multi-agent Communication Topologies via Graph Neural Networks

ICML 2025spotlight

Recent advancements in large language model (LLM)-based agents have demonstrated that collective intelligence can significantly surpass the capabilities of individual agents, primarily due to well-crafted inter-agent communication topologies. Despite the diverse and high-performing designs available…

Cited by 17SourcePDFScholar
2025

G-Memory: Tracing Hierarchical Memory for Multi-Agent Systems

NeurIPS 2025spotlight

Large language model (LLM)-powered multi-agent systems (MAS) have demonstrated cognitive and execution capabilities that far exceed those of single LLM agents, yet their capacity for self-evolution remains hampered by underdeveloped memory architectures. Upon close inspection, we are alarmed to disc…

Cited by 0SourcecodeScholar
2025

G-Safeguard: A Topology-Guided Security Lens and Treatment on LLM-based Multi-agent Systems

ACL 2025long

Large Language Model (LLM)-based Multi-agent Systems (MAS) have demonstrated remarkable capabilities in various complex tasks, ranging from collaborative problem-solving to autonomous decision-making. However, as these systems become increasingly integrated into critical applications, their vulnerab…

2025

GHOST: Generalizable One-Shot Federated Graph Learning with Proxy-Based Topology Knowledge Retention

ICML 2025poster

Federated Graph Learning (FGL) proposes an effective approach to collaboratively training Graph Neural Networks (GNNs) while maintaining privacy. Nevertheless, communication efficiency becomes a critical bottleneck in environments with limited resources. In this context, one-shot FGL emerges as a pr…

2025

Glocal Information Bottleneck for Time Series Imputation

NeurIPS 2025poster

Time Series Imputation (TSI), which aims to recover missing values in temporal data, remains a fundamental challenge due to the complex and often high-rate missingness in real-world scenarios. Existing models typically optimize the point-wise reconstruction loss, focusing on recovering numerical val…

Cited by 0SourcecodeScholar
2025

Graph Sparsification via Mixture of Graphs

ICLR 2025spotlight

Graph Neural Networks (GNNs) have demonstrated superior performance across various graph learning tasks but face significant computational challenges when applied to large-scale graphs. One effective approach to mitigate these challenges is graph sparsification, which involves removing non-essential…

2025

HYPERION: Fine-Grained Hypersphere Alignment for Robust Federated Graph Learning

NeurIPS 2025spotlight

Robust Federated Graph Learning (FGL) provides an effective decentralized framework for training Graph Neural Networks (GNNs) in noisy-label environments. However, the subtlety of noise during training presents formidable obstacles for developing robust FGL systems. Previous robust FL approaches nei…

Cited by 0SourceScholar
2025

MOTION: Multi-Sculpt Evolutionary Coarsening for Federated Continual Graph Learning

NeurIPS 2025poster

Graph neural networks (GNNs) have achieved remarkable success in various domains but typically rely on centralized, static graphs, which limits their applicability in distributed, evolving environments. To address this limitation, we define the task of Federated Continual Graph Learning (FCGL), a pa…

Cited by 0SourceScholar
2025

MasRouter: Learning to Route LLMs for Multi-Agent Systems

ACL 2025long

Multi-agent systems (MAS) powered by Large Language Models (LLMs) have been demonstrated to push the boundaries of LLM capabilities, yet they often incur significant costs and face challenges in dynamic LLM selection. Current LLM routing methods effectively reduce overhead in single-agent scenarios…

2025

Multi-agent Architecture Search via Agentic Supernet

ICML 2025oral

Large Language Model (LLM)-empowered multi-agent systems extend the cognitive boundaries of individual agents through disciplined collaboration and interaction, while constructing these systems often requires labor-intensive manual designs. Despite the availability of methods to automate the design…

2025

Multi-order Orchestrated Curriculum Distillation for Model-Heterogeneous Federated Graph Learning

NeurIPS 2025poster

Federated Graph Learning (FGL) has been shown to be particularly effective in enabling collaborative training of Graph Neural Networks (GNNs) in decentralized settings. Model-heterogeneous FGL further enhances practical applicability by accommodating client preferences for diverse model architecture…

Cited by 0SourceScholar
2025

NetSafe: Exploring the Topological Safety of Multi-agent System

ACL 2025finding

Large language models (LLMs) have fueled significant progress in intelligent Multi-agent Systems (MAS), with expanding academic and industrial applications. However, safeguarding these systems from malicious queries receives relatively little attention, while methods for single-agent safety are chal…

2025

OASIS: One-Shot Federated Graph Learning via Wasserstein Assisted Knowledge Integration

NeurIPS 2025poster

Federated Graph Learning (FGL) offers a promising framework for collaboratively training Graph Neural Networks (GNNs) while preserving data privacy. In resource-constrained environments, One-shot Federated Learning (OFL) emerges as an effective solution by limiting communication to a single round. C…

Cited by 0SourceScholar
2025

Rationalizing and Augmenting Dynamic Graph Neural Networks

ICLR 2025poster

Graph data augmentation (GDA) has shown significant promise in enhancing the performance, generalization, and robustness of graph neural networks (GNNs). However, contemporary methodologies are often limited to static graphs, whose applicability on dynamic graphs—more prevalent in real-world applica…

Cited by 0SourcePDFScholar
2025

TimeFilter: Patch-Specific Spatial-Temporal Graph Filtration for Time Series Forecasting

ICML 2025poster

Time series forecasting methods generally fall into two main categories: Channel Independent (CI) and Channel Dependent (CD) strategies. While CI overlooks important covariate relationships, CD captures all dependencies without distinction, introducing noise and reducing generalization. Recent advan…

2024

Beyond Efficiency: Molecular Data Pruning for Enhanced Generalization

NeurIPS 2024poster

With the emergence of various molecular tasks and massive datasets, how to perform efficient training has become an urgent yet under-explored issue in the area. Data pruning (DP), as an oft-stated approach to saving training burdens, filters out less influential samples to form a coreset for trainin…

Cited by 5SourcePDFScholar
2024

GDeR: Safeguarding Efficiency, Balancing, and Robustness via Prototypical Graph Pruning

NeurIPS 2024poster

Training high-quality deep models necessitates vast amounts of data, resulting in overwhelming computational and memory demands. Recently, data pruning, distillation, and coreset selection have been developed to streamline data volume by \textit{retaining}, \textit{synthesizing}, or \textit{selectin…

2024

NuwaDynamics: Discovering and Updating in Causal Spatio-Temporal Modeling

ICLR 2024spotlight

Spatio-temporal (ST) prediction plays a pivotal role in earth sciences, such as meteorological prediction, urban computing. Adequate high-quality data, coupled with deep models capable of inference, are both indispensable and prerequisite for achieving meaningful results. However, the sparsity of da…

Cited by 12SourcePDFScholar
2024

Two Heads Are Better Than One: Boosting Graph Sparse Training via Semantic and Topological Awareness

ICML 2024poster

Graph Neural Networks (GNNs) excel in various graph learning tasks but face computational challenges when applied to large-scale graphs. A promising solution is to remove non-essential edges to reduce the computational overheads in GNN. Previous literature generally falls into two categories: topolo…

Cited by 16SourcePDFScholar