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Home/Authors/Jun Xu

Jun Xu

8 indexed papers

Recent (6 mo)
8
With code
0
Influential cites
0
Benchmarked
0

Publications per year

8
26

Top categories

AI×5NLP×4Info Retrieval×1Multimedia×1Sound×1Crypto×1

Frequent co-authors

Shuang Yang3×
Tao Feng3×
Tianyang Luo3×
Jingjun Xu3×
Ge Liu3×
Jiaxuan You3×

Research Timeline

2026
A Comparative Evaluation of AI Agent Security Guardrails

This paper comparatively evaluates DKnownAI Guard against three competitors, demonstrating that DKnownAI Guard achieves superior performance in detecting both agent-specific threats and harmful content.

DenoiseRL: Bootstrapping Reasoning Models to Recover from Noisy Prefixes

DenoiseRL is a novel reinforcement learning framework that improves reasoning in large language models by optimizing directly from the failures and incorrect reasoning traces of weak models, eliminating the need for strong external supervision or curated datasets.

Defending LLM-based Multi-Agent Systems Against Cooperative Attacks with Sentence-Level Rectification

This paper addresses the threat of coordinated misinformation in LLM-based Multi-Agent Systems by proposing a defense framework, STAR, that effectively identifies and rectifies misleading information at the sentence level.

MTAVG-Bench 2.0: Diagnosing Failure Modes of Cinematic Expressiveness in Multi-Talker Audio-Video Generation

The paper introduces MTAVG-Bench 2.0, a new benchmark designed to diagnose high-level failure modes of cinematic expressiveness in multi-talker audio-video generation, showing that even advanced models struggle with complex scene-level failures.

ExpGraph: Model-Agnostic Experience Learning with Graph-Structured Memory for LLM Agents

ExpGraph is a model-agnostic framework that uses a self-evolving experience graph to enable LLM agents to reuse past successful strategies and failure lessons, significantly improving performance across diverse tasks.

ElasticMem: Latent Memory as a Learnable Resource for LLM Agents

ElasticMem introduces a novel framework that treats memory as an elastic latent resource, allowing LLM agents to adaptively manage and inject variable-budget memories for improved performance in long-term reasoning tasks.

ExpWeaver: LLM Agents Learn from Experience via Latent RAG

ExpWeaver introduces a novel framework for LLM agents to learn from past experiences using latent retrieval-augmented generation, achieving state-of-the-art performance while significantly improving token efficiency.

OneReason Technical Report

The paper proposes OneReason, a framework that enhances the reasoning capability of generative recommendation models by focusing on improving item perception and structuring user behavior into coherent latent interests.

Highlighted terms show continued research focus across papers

Papers

cs.IRcs.AIcs.CLRecentJun 4, 2026

OneReason Technical Report

OneRec Team, Biao Yang, Boyang Ding, Chenglong Chu +80 more

The paper proposes OneReason, a framework that enhances the reasoning capability of generative recommendation models by focusing on improving item perception and structuring user behavior into coheren…

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cs.CLRecentMay 31, 2026

ExpWeaver: LLM Agents Learn from Experience via Latent RAG

Tao Feng, Tianyang Luo, Jingjun Xu, Zhigang Hua +4 more

ExpWeaver introduces a novel framework for LLM agents to learn from past experiences using latent retrieval-augmented generation, achieving state-of-the-art performance while significantly improving t…

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cs.CLRecentMay 29, 2026

ExpGraph: Model-Agnostic Experience Learning with Graph-Structured Memory for LLM Agents

Tao Feng, Chongrui Ye, Tianyang Luo, Jingjun Xu +7 more

ExpGraph is a model-agnostic framework that uses a self-evolving experience graph to enable LLM agents to reuse past successful strategies and failure lessons, significantly improving performance acro…

View →
cs.CLRecentMay 29, 2026

ElasticMem: Latent Memory as a Learnable Resource for LLM Agents

Tao Feng, Chongrui Ye, Tianyang Luo, Jingjun Xu +4 more

ElasticMem introduces a novel framework that treats memory as an elastic latent resource, allowing LLM agents to adaptively manage and inject variable-budget memories for improved performance in long-…

View →
cs.AIRecentMay 27, 2026

DenoiseRL: Bootstrapping Reasoning Models to Recover from Noisy Prefixes

Caijun Xu, Changyi Xiao, Zhongyuan Peng, Yixin Cao

DenoiseRL is a novel reinforcement learning framework that improves reasoning in large language models by optimizing directly from the failures and incorrect reasoning traces of weak models, eliminati…

View →
cs.AIRecentMay 27, 2026

Defending LLM-based Multi-Agent Systems Against Cooperative Attacks with Sentence-Level Rectification

Yaoyang Luo, Zhi Zheng, Ziwei Zhao, Tong Xu +4 more

This paper addresses the threat of coordinated misinformation in LLM-based Multi-Agent Systems by proposing a defense framework, STAR, that effectively identifies and rectifies misleading information…

View →
cs.AIcs.MMcs.SDRecentMay 27, 2026

MTAVG-Bench 2.0: Diagnosing Failure Modes of Cinematic Expressiveness in Multi-Talker Audio-Video Generation

Haitian Li, Yanghao Zhou, Heyan Huang, Liangji Chen +14 more

The paper introduces MTAVG-Bench 2.0, a new benchmark designed to diagnose high-level failure modes of cinematic expressiveness in multi-talker audio-video generation, showing that even advanced model…

View →
cs.CRcs.AIRecentApr 27, 2026

A Comparative Evaluation of AI Agent Security Guardrails

Qi Li, Jiu Li, Pingtao Wei, Jianjun Xu +7 more

This paper comparatively evaluates DKnownAI Guard against three competitors, demonstrating that DKnownAI Guard achieves superior performance in detecting both agent-specific threats and harmful conten…

View →