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Home/Authors/XingYu

XingYu

13 indexed papers

Recent (6 mo)
13
With code
0
Influential cites
0
Benchmarked
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Publications per year

13
26

Top categories

AI×11NLP×4Vision×3Crypto×3ML×1Multimedia×1

Frequent co-authors

Xingyu Lu3×
Xingyu Wang2×
Xingyu Fan2×
Feifei Li2×
Wenhui Que2×
Jinpeng Liu1×

Research Timeline

2026
Semantics Over Syntax: Uncovering Pre-Authentication 5G Baseband Vulnerabilities

The paper introduces Constraint-Guided Semantic Testing (ConSeT), a novel framework that systematically finds critical, pre-authentication vulnerabilities in 5G User Equipment (UE) by exploiting semantically inconsistent, yet syntactically valid, RRC messages.

TrajGuard: Streaming Hidden-state Trajectory Detection for Decoding-time Jailbreak Defense

TrajGuard is a novel, training-free defense framework that detects jailbreaks by monitoring the progressive risk signals embedded in the hidden-state trajectories of tokens during the LLM decoding process, achieving a high defense rate with low latency.

ADAM: A Systematic Data Extraction Attack on Agent Memory via Adaptive Querying

The paper proposes ADAM, a novel and highly effective privacy attack that systematically extracts sensitive data from LLM agent memory by adaptively querying the victim agent's memory based on data distribution and entropy.

LiveBrowseComp: Are Search Agents Searching, or Just Verifying What They Already Know?

The paper argues that current search agents often verify existing knowledge rather than genuinely searching, and introduces LiveBrowseComp, a new benchmark to measure true evidence-driven discovery.

MemCog: From Memory-as-Tool to Memory-as-Cognition in Conversational Agents

The paper introduces MemCog, a Memory-as-Cognition system that integrates memory access directly into the reasoning process, significantly improving agent performance, especially in proactive memory retrieval tasks.

VCap: Hypergeometric Rewards for Weak-to-Strong Visual Captioning

VCap introduces a novel Witness-Adjudicator reward mechanism that provides highly precise, factually grounded feedback for visual captioning, enabling state-of-the-art performance in RL-trained multimodal models.

Semantic Flow Regularization: Teaching LLMs to Generate Diverse Yet Coherent Responses

The paper introduces Semantic Flow Regularization (SFR), an auxiliary objective that significantly improves the diversity and quality of LLM responses when fine-tuned for specific styles or personas, without increasing deployment cost.

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.

KairosAgent: Agentic Time Series Forecasting with Fused Semantic Reasoning

KairosAgent is a novel agentic framework that combines Large Language Models (LLMs) for semantic reasoning and Time Series Foundation Models (TSFMs) for numerical forecasting, achieving superior multimodal time series prediction.

OptSkills: Learning Generalizable Optimization Skills from Problem Archetypes via Cluster-Based Distillation

OptSkills introduces an archetype-centric skill learning agent that improves the generalization of solving optimization problems from natural language by clustering problems by underlying archetypes and distilling reusable workflow skills.

UniScale: Adaptive Unified Inference Scaling via Online Joint Optimization of Model Routing and Test-Time Scaling

UniScale proposes a unified framework that jointly optimizes model routing and test-time scaling to achieve a superior, fine-grained quality-cost trade-off for large language model inference.

TROPHIES: Temporal Reconstruction of Places, Humans, and Cameras from Multi-view Videos

TROPHIES introduces a unified framework to jointly reconstruct dynamic humans, static scenes, and camera poses from multi-view videos, achieving globally consistent and physically plausible 4D reconstructions.

Collaborative Space Object Detection with Multi-Satellite Viewpoints in LEO Constellations

This paper demonstrates that fusing multi-viewpoint data from multiple satellites significantly enhances the accuracy of space object detection in congested LEO constellations, establishing multi-view fusion as an effective strategy.

Highlighted terms show continued research focus across papers

Papers

cs.CVRecentJun 1, 2026

TROPHIES: Temporal Reconstruction of Places, Humans, and Cameras from Multi-view Videos

Jinpeng Liu, Yukang Xu, Yutong Li, Xingyu Liu

TROPHIES introduces a unified framework to jointly reconstruct dynamic humans, static scenes, and camera poses from multi-view videos, achieving globally consistent and physically plausible 4D reconst…

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cs.CVcs.AIRecentJun 1, 2026

Collaborative Space Object Detection with Multi-Satellite Viewpoints in LEO Constellations

Xingyu Qu, Wenxuan Zhang, Peng Hu

This paper demonstrates that fusing multi-viewpoint data from multiple satellites significantly enhances the accuracy of space object detection in congested LEO constellations, establishing multi-view…

View →
cs.AIcs.CLRecentMay 29, 2026

UniScale: Adaptive Unified Inference Scaling via Online Joint Optimization of Model Routing and Test-Time Scaling

Kaiyu Huang, Xingyu Wang, Mingze Kong, Zhubo Shi +5 more

UniScale proposes a unified framework that jointly optimizes model routing and test-time scaling to achieve a superior, fine-grained quality-cost trade-off for large language model inference.

View →
cs.AIRecentMay 28, 2026

KairosAgent: Agentic Time Series Forecasting with Fused Semantic Reasoning

Kun Feng, Ziwei Shan, Yuchen Fang, Yiyang Tan +5 more

KairosAgent is a novel agentic framework that combines Large Language Models (LLMs) for semantic reasoning and Time Series Foundation Models (TSFMs) for numerical forecasting, achieving superior multi…

View →
cs.AIcs.LGRecentMay 28, 2026

OptSkills: Learning Generalizable Optimization Skills from Problem Archetypes via Cluster-Based Distillation

Haochen Yang, Ke Zhao, Mengyuan Ma, Xingyu Lu +2 more

OptSkills introduces an archetype-centric skill learning agent that improves the generalization of solving optimization problems from natural language by clustering problems by underlying archetypes a…

View →
cs.AIRecentMay 27, 2026

LiveBrowseComp: Are Search Agents Searching, or Just Verifying What They Already Know?

HuiMing Fan, Xiao Wang, Zheng Chu, Qianyu Wang +4 more

The paper argues that current search agents often verify existing knowledge rather than genuinely searching, and introduces LiveBrowseComp, a new benchmark to measure true evidence-driven discovery.

View →
cs.AIcs.CLRecentMay 27, 2026

MemCog: From Memory-as-Tool to Memory-as-Cognition in Conversational Agents

Zihan Li, Xingyu Fan, Feifei Li, Wenhui Que

The paper introduces MemCog, a Memory-as-Cognition system that integrates memory access directly into the reasoning process, significantly improving agent performance, especially in proactive memory r…

View →
cs.CVcs.AIcs.CLRecentMay 27, 2026

VCap: Hypergeometric Rewards for Weak-to-Strong Visual Captioning

Xingyu Lu, Jinpeng Wang, Yi-Fan Zhang, Yankai Yang +12 more

VCap introduces a novel Witness-Adjudicator reward mechanism that provides highly precise, factually grounded feedback for visual captioning, enabling state-of-the-art performance in RL-trained multim…

View →
cs.CLcs.AIRecentMay 27, 2026

Semantic Flow Regularization: Teaching LLMs to Generate Diverse Yet Coherent Responses

Kerui Peng, Feifei Li, Xingyu Fan, Wenhui Que

The paper introduces Semantic Flow Regularization (SFR), an auxiliary objective that significantly improves the diversity and quality of LLM responses when fine-tuned for specific styles or personas,…

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.AIRecentApr 10, 2026

ADAM: A Systematic Data Extraction Attack on Agent Memory via Adaptive Querying

Xingyu Lyu, Jianfeng He, Ning Wang, Yidan Hu +4 more

The paper proposes ADAM, a novel and highly effective privacy attack that systematically extracts sensitive data from LLM agent memory by adaptively querying the victim agent's memory based on data di…

View →
cs.CRcs.AIRecentApr 9, 2026

TrajGuard: Streaming Hidden-state Trajectory Detection for Decoding-time Jailbreak Defense

Cheng Liu, Xiaolei Liu, Xingyu Li, Bangzhou Xin +1 more

TrajGuard is a novel, training-free defense framework that detects jailbreaks by monitoring the progressive risk signals embedded in the hidden-state trajectories of tokens during the LLM decoding pro…

View →
cs.CRRecentApr 5, 2026

Semantics Over Syntax: Uncovering Pre-Authentication 5G Baseband Vulnerabilities

Qiqing Huang, Xingyu Wang, Wanda Guo, Guofei Gu +1 more

The paper introduces Constraint-Guided Semantic Testing (ConSeT), a novel framework that systematically finds critical, pre-authentication vulnerabilities in 5G User Equipment (UE) by exploiting seman…

View →