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Home/Authors/Jie Xu

Jie Xu

11 indexed papers

Recent (6 mo)
11
With code
0
Influential cites
0
Benchmarked
0

Publications per year

11
26

Top categories

Crypto×6AI×5Distributed×3ML×3Neural Computing×1Vision×1Comp. Eng.×1

Frequent co-authors

Haaris Mehmood3×
Karthikeyan Saravanan3×
Mete Ozay3×
Zijie Xu2×
Rogier Van Dalen2×
Yiding Sun1×

Research Timeline

2026
SkillTester: Benchmarking Utility and Security of Agent Skills

SkillTester is a comprehensive tool and framework designed to benchmark both the functional utility and the security robustness of agent skills, providing standardized scores and status labels.

GasLiteAA: Optimizing ERC-4337 for Efficient and Secure Gas Sponsorship

GasLiteAA proposes optimizing the ERC-4337 standard by offloading gas sponsorship logic to Trusted Execution Environments (TEE), significantly reducing on-chain gas costs while maintaining security and verifiability.

Differentially Private Clustered Federated Learning with Privacy-Preserving Initialization and Normality-Driven Aggregation

The paper proposes PINA, a two-stage differentially private clustered federated learning framework that improves convergence and robustness by using low-rank adaptation and a normality-driven aggregation mechanism.

When LLMs Team Up: A Coordinated Attack Framework for Automated Cyber Intrusions

The paper introduces CAESAR, a novel multi-agent framework that coordinates LLM agents across five specialized roles to improve success rates and stability in complex, multi-stage cyber intrusion tasks.

DP-LAC: Lightweight Adaptive Clipping for Differentially Private Federated Fine-tuning of Language Models

The paper proposes DP-LAC, a novel lightweight adaptive clipping technique for differentially private federated fine-tuning, which efficiently estimates and adapts the clipping threshold without consuming extra privacy budget or requiring manual hyperparameter tuning.

DisAgg: Distributed Aggregators for Efficient Secure Aggregation in Federated Learning

DisAgg introduces a novel secure aggregation protocol that uses a small committee of Aggregators to compute partial sums, achieving a significant speedup (4.6x) over previous state-of-the-art methods like OPA while maintaining privacy.

SSR3D-LLM: Structured Spatial Reasoning via Latent Steps for Fine-Grained Grounding in Unified 3D-LLMs

SSR3D-LLM introduces a structured spatial reasoning interface for unified 3D-LLMs, allowing fine-grained object grounding by generating and processing sequential latent spatial steps.

SafeMed-R1: Clinician-Audited Safety and Ethics Alignment for Medical Large Language Models

The paper introduces SafeMed-R1, a clinically audited LLM that significantly improves safety and ethical alignment for medical applications, matching or exceeding resident performance on safety-critical tasks.

TCP-MCP: Landscape-Guided Co-Evolution of Prompts and Communication Topologies for Multi-Agent Systems

The paper proposes TCP-MCP, a co-evolution framework that jointly optimizes agent prompts and communication topologies to design highly efficient and effective multi-agent systems.

Importance-Aware Resource Allocation for Collaborative Task-Oriented Semantic Communication

The paper proposes iCoTASC, a framework for real-time, channel-adaptive semantic resource allocation in collaborative multi-device systems using importance-aware embedding selection, data-driven utility function, and per-transmitter utility lookup tables.

SpikingMOT: A Spike-Driven Multi-Object Tracker

This paper proposes SpikingMOT, a spike-driven multi-object tracking system that uses spiking neural networks and adaptively models sparse trajectory dynamics.

Highlighted terms show continued research focus across papers

Papers

cs.NETheoreticalRecentJul 22, 2026

SpikingMOT: A Spike-Driven Multi-Object Tracker

Yiding Sun, Xiangyang Yang, Dongxu Zhang, Qirui Wang +6 more

This paper proposes SpikingMOT, a spike-driven multi-object tracking system that uses spiking neural networks and adaptively models sparse trajectory dynamics.

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cs.DCTheoreticalRecent
Jun 27, 2026

Importance-Aware Resource Allocation for Collaborative Task-Oriented Semantic Communication

Kaiyi Lei, Yuanzhe Peng, Letian Zhang, Jie Xu

The paper proposes iCoTASC, a framework for real-time, channel-adaptive semantic resource allocation in collaborative multi-device systems using importance-aware embedding selection, data-driven utili…

View →
cs.CVcs.AIRecentMay 27, 2026

SSR3D-LLM: Structured Spatial Reasoning via Latent Steps for Fine-Grained Grounding in Unified 3D-LLMs

Jiawei Li, Ziyi Liu, Weijie Shi, Long Chen +2 more

SSR3D-LLM introduces a structured spatial reasoning interface for unified 3D-LLMs, allowing fine-grained object grounding by generating and processing sequential latent spatial steps.

View →
cs.AIRecentMay 27, 2026

SafeMed-R1: Clinician-Audited Safety and Ethics Alignment for Medical Large Language Models

Chao Ding, Mouxiao Bian, Tianbin Li, Minjia Yuan +11 more

The paper introduces SafeMed-R1, a clinically audited LLM that significantly improves safety and ethical alignment for medical applications, matching or exceeding resident performance on safety-critic…

View →
cs.AIRecentMay 27, 2026

TCP-MCP: Landscape-Guided Co-Evolution of Prompts and Communication Topologies for Multi-Agent Systems

Yi Ding, Zijie Xuan, Haowei Zhou, Zhenyu Ju +5 more

The paper proposes TCP-MCP, a co-evolution framework that jointly optimizes agent prompts and communication topologies to design highly efficient and effective multi-agent systems.

View →
cs.CRcs.DCcs.LGRecentMay 13, 2026

DisAgg: Distributed Aggregators for Efficient Secure Aggregation in Federated Learning

Haaris Mehmood, Giorgos Tatsis, Dimitrios Alexopoulos, Karthikeyan Saravanan +3 more

DisAgg introduces a novel secure aggregation protocol that uses a small committee of Aggregators to compute partial sums, achieving a significant speedup (4.6x) over previous state-of-the-art methods…

View →
cs.LGcs.AIcs.CRRecentMay 11, 2026

DP-LAC: Lightweight Adaptive Clipping for Differentially Private Federated Fine-tuning of Language Models

Haaris Mehmood, Jie Xu, Karthikeyan Saravanan, Rogier Van Dalen +1 more

The paper proposes DP-LAC, a novel lightweight adaptive clipping technique for differentially private federated fine-tuning, which efficiently estimates and adapts the clipping threshold without consu…

View →
cs.CRRecentMay 9, 2026

When LLMs Team Up: A Coordinated Attack Framework for Automated Cyber Intrusions

Minfeng Qi, Tianqing Zhu, Zijie Xu, Congcong Zhu +2 more

The paper introduces CAESAR, a novel multi-agent framework that coordinates LLM agents across five specialized roles to improve success rates and stability in complex, multi-stage cyber intrusion task…

View →
cs.LGcs.CRRecentApr 22, 2026

Differentially Private Clustered Federated Learning with Privacy-Preserving Initialization and Normality-Driven Aggregation

Jie Xu, Haaris Mehmood, Rogier Van Dalen, Karthikeyan Saravanan +1 more

The paper proposes PINA, a two-stage differentially private clustered federated learning framework that improves convergence and robustness by using low-rank adaptation and a normality-driven aggregat…

View →
cs.CEcs.CRRecentApr 11, 2026

GasLiteAA: Optimizing ERC-4337 for Efficient and Secure Gas Sponsorship

Hongxu Su, Mingzhe Liu, Jie Xu, Xiaohua Jia +1 more

GasLiteAA proposes optimizing the ERC-4337 standard by offloading gas sponsorship logic to Trusted Execution Environments (TEE), significantly reducing on-chain gas costs while maintaining security an…

View →
cs.CRcs.AIRecentMar 28, 2026

SkillTester: Benchmarking Utility and Security of Agent Skills

Leye Wang, Zixing Wang, Anjie Xu

SkillTester is a comprehensive tool and framework designed to benchmark both the functional utility and the security robustness of agent skills, providing standardized scores and status labels.

View →