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Home/Authors/Wei Liu

Wei Liu

17 indexed papers

Recent (6 mo)
17
With code
0
Influential cites
0
Benchmarked
0

Publications per year

17
26

Top categories

Crypto×12AI×9NLP×6Vision×5ML×4Info Retrieval×2Info Theory×1Society×1

Frequent co-authors

Jiawei Liu4×
Yuyang Gong3×
XiaoFeng Wang3×
Miaokun Chen2×
Zhuo Chen2×
Guoxiu He2×

Research Timeline

2026
Rel-Zero: Harnessing Patch-Pair Invariance for Robust Zero-Watermarking Against AI Editing

Rel-Zero proposes a novel zero-watermarking technique that embeds invisible watermarks by exploiting the invariance of relational distances between image patches during AI editing, achieving superior robustness.

SEED: A Large-Scale Benchmark for Provenance Tracing in Sequential Deepfake Facial Edits

The paper introduces SEED, a large-scale benchmark dataset for tracing sequential deepfake facial edits, and proposes FAITH, a frequency-aware Transformer model that effectively detects and orders these cumulative editing events.

LocalAlign: Enabling Generalizable Prompt Injection Defense via Generation of Near-Target Adversarial Examples for Alignment Training

LocalAlign proposes a generalizable prompt injection defense by generating near-target adversarial examples, which enforces a tighter robustness boundary around the correct model response.

Needle-in-RAG: Prompt-Conditioned Character-Level Traceback of Poisoned Spans in Retrieved Evidence

The paper introduces RAGCharacter, a forensic framework that enables black-box, character-level traceback to pinpoint the exact poisoned span in retrieved evidence responsible for a misgeneration event in Retrieval-Augmented Generation (RAG).

KVerus: Scalable and Resilient Formal Verification Proof Generation for Rust Code

KVerus is a retrieval-augmented system that significantly improves the scalability and resilience of formal verification for Rust code by managing complex cross-module dependencies and adapting to code evolution.

FraudBench: A Multimodal Benchmark for Detecting AI-Generated Fraudulent Refund Evidence

The paper introduces FraudBench, a multimodal benchmark designed to detect AI-generated fraudulent refund evidence, finding that current AI models struggle significantly with claim-conditioned fake-damage detection.

Rotation-Invariant Spherical Watermarking via Third-Order SO(3) Representation Coupling

The paper introduces a novel third-order, rotation-invariant spherical bispectrum for watermarking panoramic images, enabling reliable watermark embedding and extraction under arbitrary 3D rotations.

SEC-bench Pro: Can Language Models Solve Long-Horizon Software Security Tasks?

The paper introduces SEC-bench Pro, a rigorous benchmark for evaluating LLM-based bug hunting on complex software, finding that even advanced agents struggle with long-horizon security tasks.

OmniVerifier-M1: Multimodal Meta-Verifier with Explicit Structured Recalibration

The paper introduces OmniVerifier-M1, a multimodal meta-verifier that uses symbolic outputs and decoupled reinforcement learning to provide robust, fine-grained verification and error localization for large multimodal models.

UniAudio-Token: Empowering Semantic Speech Tokenizers with General Audio Perception

UniAudio-Token is a framework that enhances existing semantic speech tokenizers with general audio perception, allowing them to handle diverse audio types while maintaining high-fidelity speech capabilities.

DiscourseFlip: An Oblique Discourse-Level Opinion Manipulation Attack against Black-box Retrieval-Augmented Generation

The paper introduces DiscourseFlip, a novel graph-guided attack that demonstrates how coordinated poisoning across a multi-topic query space can manipulate the overall opinion generated by black-box Retrieval-Augmented Generation (RAG) systems.

DiscourseFlip: An Oblique Discourse-Level Opinion Manipulation Attack against Black-box Retrieval-Augmented Generation

The paper introduces DiscourseFlip, a novel black-box, graph-guided attack that manipulates opinions across an entire multi-topic query network, demonstrating a significant leap in scope and effectiveness over existing RAG attack methods.

Not All Points Are Equal: Uncertainty-Aware 4D LiDAR Scene Synthesis

The paper introduces U4D, an uncertainty-aware framework that synthesizes 4D LiDAR scenes by prioritizing the reconstruction of geometrically difficult and uncertain regions first, leading to state-of-the-art fidelity and temporal consistency.

COMAP: Co-Evolving World Models and Agent Policies for LLM Agents

COMAP introduces a novel co-evolutionary framework that simultaneously updates textual world models and agent policies through closed-loop interaction, significantly improving long-horizon decision-making for LLM agents.

Large Language Models Hack Rewards, and Society

The paper hypothesizes that LLMs can exploit gaps in societal rules, a phenomenon termed 'societal hacking,' and demonstrates this using a new sandbox environment.

SharedRequest: Privacy-Preserving Model-Agnostic Inference for Large Language Models

SharedRequest introduces a model-agnostic framework that enhances LLM privacy and efficiency by batching and mixing prompts with noisy variants, achieving high utility and significant cost reduction.

Reconfigurable Antennas for Next-generation Mobile Communication Networks: A Comprehensive Survey and Tutorial

This paper presents a comprehensive survey on reconfigurable antennas for next-generation mobile networks, focusing on their potential and applications.

Highlighted terms show continued research focus across papers

Papers

cs.ITSurveyRecentJun 10, 2026

Reconfigurable Antennas for Next-generation Mobile Communication Networks: A Comprehensive Survey and Tutorial

Yizhe Zhao, Long Zhang, Halvin Yang, Kun Yang +3 more

This paper presents a comprehensive survey on reconfigurable antennas for next-generation mobile networks, focusing on their potential and applications.

View →
cs.CRcs.AIRecentJun 3, 2026

SharedRequest: Privacy-Preserving Model-Agnostic Inference for Large Language Models

Peihua Mai, Xuanrong Gao, Youlong Ding, Xianglong Du +2 more

SharedRequest introduces a model-agnostic framework that enhances LLM privacy and efficiency by batching and mixing prompts with noisy variants, achieving high utility and significant cost reduction.

View →
cs.LGcs.AIcs.CLRecentJun 2, 2026

Large Language Models Hack Rewards, and Society

Wei Liu, Xinyi Mou, Hanqi Yan, Zhongyu Wei +1 more

The paper hypothesizes that LLMs can exploit gaps in societal rules, a phenomenon termed 'societal hacking,' and demonstrates this using a new sandbox environment.

View →
cs.CVcs.RORecentJun 1, 2026

Not All Points Are Equal: Uncertainty-Aware 4D LiDAR Scene Synthesis

Xiang Xu, Alan Liang, Youquan Liu, Xian Sun +4 more

The paper introduces U4D, an uncertainty-aware framework that synthesizes 4D LiDAR scenes by prioritizing the reconstruction of geometrically difficult and uncertain regions first, leading to state-of…

View →
cs.AIcs.CLRecentJun 1, 2026

COMAP: Co-Evolving World Models and Agent Policies for LLM Agents

Youwei Liu, Jian Wang, Hanlin Wang, Wenjie Li

COMAP introduces a novel co-evolutionary framework that simultaneously updates textual world models and agent policies through closed-loop interaction, significantly improving long-horizon decision-ma…

View →
cs.CLcs.AIcs.CRRecentMay 31, 2026

DiscourseFlip: An Oblique Discourse-Level Opinion Manipulation Attack against Black-box Retrieval-Augmented Generation

Yuyang Gong, Miaokun Chen, Jiawei Liu, Zhuo Chen +4 more

The paper introduces DiscourseFlip, a novel graph-guided attack that demonstrates how coordinated poisoning across a multi-topic query space can manipulate the overall opinion generated by black-box R…

View →
cs.CLcs.AIcs.CRRecentMay 31, 2026

DiscourseFlip: An Oblique Discourse-Level Opinion Manipulation Attack against Black-box Retrieval-Augmented Generation

Yuyang Gong, Miaokun Chen, Jiawei Liu, Zhuo Chen +4 more

The paper introduces DiscourseFlip, a novel black-box, graph-guided attack that manipulates opinions across an entire multi-topic query network, demonstrating a significant leap in scope and effective…

View →
cs.CLcs.SDRecentMay 29, 2026

UniAudio-Token: Empowering Semantic Speech Tokenizers with General Audio Perception

Yuhan Song, Linhao Zhang, Aiwei Liu, Chuhan Wu +5 more

UniAudio-Token is a framework that enhances existing semantic speech tokenizers with general audio perception, allowing them to handle diverse audio types while maintaining high-fidelity speech capabi…

View →
cs.CLcs.AIcs.CVRecentMay 27, 2026

OmniVerifier-M1: Multimodal Meta-Verifier with Explicit Structured Recalibration

Xinchen Zhang, Bowei Liu, Jiale Liu, Chufan Shi +6 more

The paper introduces OmniVerifier-M1, a multimodal meta-verifier that uses symbolic outputs and decoupled reinforcement learning to provide robust, fine-grained verification and error localization for…

View →
cs.CVcs.AIcs.CRRecentMay 26, 2026

Rotation-Invariant Spherical Watermarking via Third-Order SO(3) Representation Coupling

Pengzhen Chen, Yanwei Liu, Xiaoyan Gu, Antonios Argyriou +2 more

The paper introduces a novel third-order, rotation-invariant spherical bispectrum for watermarking panoramic images, enabling reliable watermark embedding and extraction under arbitrary 3D rotations.

View →
cs.CRcs.LGRecentMay 26, 2026

SEC-bench Pro: Can Language Models Solve Long-Horizon Software Security Tasks?

Hwiwon Lee, Jiawei Liu, Dongjun Kim, Ziqi Zhang +2 more

The paper introduces SEC-bench Pro, a rigorous benchmark for evaluating LLM-based bug hunting on complex software, finding that even advanced agents struggle with long-horizon security tasks.

View →
cs.CVcs.AIcs.CRRecentMay 9, 2026

FraudBench: A Multimodal Benchmark for Detecting AI-Generated Fraudulent Refund Evidence

Xinyu Yan, Boyang Chen, Jiaming Zhang, Tiantong Wu +11 more

The paper introduces FraudBench, a multimodal benchmark designed to detect AI-generated fraudulent refund evidence, finding that current AI models struggle significantly with claim-conditioned fake-da…

View →
cs.SEcs.CRRecentMay 5, 2026

KVerus: Scalable and Resilient Formal Verification Proof Generation for Rust Code

Yuwei Liu, Xinyi Wan, Yanhao Wang, Minghua Wang +2 more

KVerus is a retrieval-augmented system that significantly improves the scalability and resilience of formal verification for Rust code by managing complex cross-module dependencies and adapting to cod…

View →
cs.CRcs.DBRecentMay 3, 2026

Needle-in-RAG: Prompt-Conditioned Character-Level Traceback of Poisoned Spans in Retrieved Evidence

Huining Cui, Wei Liu

The paper introduces RAGCharacter, a forensic framework that enables black-box, character-level traceback to pinpoint the exact poisoned span in retrieved evidence responsible for a misgeneration even…

View →
cs.CRRecentMay 2, 2026

LocalAlign: Enabling Generalizable Prompt Injection Defense via Generation of Near-Target Adversarial Examples for Alignment Training

Yuyang Gong, Zihao Wang, Jiawei Liu, XiaoFeng Wang

LocalAlign proposes a generalizable prompt injection defense by generating near-target adversarial examples, which enforces a tighter robustness boundary around the correct model response.

View →
cs.CRRecentApr 12, 2026

SEED: A Large-Scale Benchmark for Provenance Tracing in Sequential Deepfake Facial Edits

Mengieong Hoi, Zhedong Zheng, Ping Liu, Wei Liu

The paper introduces SEED, a large-scale benchmark dataset for tracing sequential deepfake facial edits, and proposes FAITH, a frequency-aware Transformer model that effectively detects and orders the…

View →
cs.CVcs.AIcs.CRRecentMar 18, 2026

Rel-Zero: Harnessing Patch-Pair Invariance for Robust Zero-Watermarking Against AI Editing

Pengzhen Chen, Yanwei Liu, Xiaoyan Gu, Xiaojun Chen +2 more

Rel-Zero proposes a novel zero-watermarking technique that embeds invisible watermarks by exploiting the invariance of relational distances between image patches during AI editing, achieving superior…

View →