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🔍 dongwei ren 📂 Computer Science
Showing 2932 results for "dongwei ren" in Computer Science
Computer Science Preprint PDF DOI

FlashRT: Towards Computationally and Memory Efficient Red-Teaming for Prompt Injection and Knowledge Corruption

Yanting Wang, Chenlong Yin, Ying Chen, Jinyuan Jia · 2026

Long-context large language models (LLMs)-for example, Gemini-3.1-Pro and Qwen-3.5-are widely used to empower many real-world applications, such as retrieval-augmented generation, autonomous agents, a…

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Computer Science Preprint PDF DOI

Predicting Upcoming Stuttering Events from Three-Second Audio: Stratified Evaluation Reveals Severity-Selective Precursors, and the Model Deploys Fully On-Device

Nazar Kozak · 2026

Audio-based stuttering systems to date have been trained for detection -- what disfluency is present now -- leaving prediction, the capability needed for closed-loop intervention, unstudied at deploya…

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Computer Science Preprint PDF DOI

BLINC: Context-Specific Causal Learning for Automated RAN Configuration

Reshma Prasad, Michele Polese, Tommaso Melodia · 2026

Radio Access Network (RAN) configuration has traditionally required significant manual effort due to indirect causal dependencies between observable Key Performance Indicators (KPIs), and context-depe…

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Computer Science Preprint PDF DOI

Rank Distribution and Dynamics of Gram Matrices from Binary m-Sequences with Applications to LCD Codes

Hengfeng Liu, Chunming Tang, Cuiling Fan, Zhengchun Zhou · 2026

The Gram matrix is a classical object formed from the pairwise inner products of a collection of vectors, with fundamental roles in functional analysis, statistics, combinatorics, and coding theory. I…

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Computer Science Preprint PDF DOI

StreamGuard: Exploring a 5G Architecture for Efficient, Quality of Experience-Aware Video Conferencing

Xuyang Cao, Oliver Michel, Kyle Jamieson · 2026

Video conferencing over 5G is increasingly prevalent, yet its Quality of Experience (QoE) often degrades under limited radio resources. This has two causes: 5G networks must serve many users, while in…

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Computer Science Preprint PDF DOI

eDySec: A Deep Learning-based Explainable Dynamic Analysis Framework for Detecting Malicious Packages in PyPI Ecosystem

Sk Tanzir Mehedi, Raja Jurdak, Chadni Islam, Abu Bakar Siddique Mahi, Gowri Ramachandran · 2026

The security of open-source software repositories is increasingly threatened by next-gen software supply chain attacks. These attacks include multiphase malware execution, remote access activation, an…

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Computer Science Preprint PDF DOI

Slice Agent: Identifying and Isolating Slices in Shared Open Radio Unit

Felipe Arnholda, Flavio Rocha, Lucio Prade, Cristiano Bonato Both · 2026

Network Slice as a Service (NSaaS) is a key enabler of Beyond Fifth Generation (5G) and Sixth Generation (6G) networks, supporting next-generation applications such as extended reality (XR), immersive…

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Computer Science Preprint PDF DOI

Digital Twin-assisted belief-state reinforcement learning for latency-robust ISAC in 6G networks

Himanshu Tiwari, Binayak Kar, Priyanshu Tiwari · 2026

Integrated Sensing and Communication (ISAC) enables joint data transmission and environmental perception for sixth-generation (6G) networks, but centralized and virtualized RAN control loops introduce…

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Computer Science Preprint PDF DOI

TARMM: Scaling Delay-Critical Edge AI Offloading in 5G O-RAN via Temporal Graph Mobility Management

Peihao Yan, Yun Chen, Jie Lu, Qijun Wang, Huacheng Zeng · 2026

Emerging delay-critical edge AI applications, such as VR perception and real-time video analytics, impose stringent latency and reliability requirements on 5G networks. However, existing mobility mana…

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Computer Science Preprint PDF DOI

Large-scale wireless network management via Open-RAN Tandem Apps: Cell on/off switching use case

Pawe{l} Kryszkiewicz, {L}ukasz Ku{l}acz, Marcin Paku{l}a, Marcin Dryjanski, Marcin Hoffmann, Piotr Skrzypczak, Heiko Lehmann, Martin Stahn · 2026

With growing mobile-network complexity, management and optimization have become increasingly difficult. Centralized algorithms face high control-data overhead and computational load, while distributed…

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Computer Science Preprint PDF DOI

From Spoofing to Trust: Emergency Alerts Spoofing Testbed and Cross-Cell Verification

Abdallah Abou Hasna, Nada Chendeb, Ammar El Falou · 2026

Public warning systems (PWS) in cellular networks enable authorities to broadcast emergency alerts to all mobile phones in a geographic region in the event of threats such as earthquakes or severe wea…

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Computer Science Preprint PDF DOI

Green-Red Watermarking for Recommender Systems

Lei Zhou, Min Gao, Zongwei Wang, Yibing Bai, Wentao Li · 2026

The widespread open-sourcing of advanced recommendation algorithms and the rising threat of model extraction attacks have made safeguarding the intellectual property of recommender systems an imperati…

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Computer Science Preprint PDF DOI

Adaptive Swin Transformer Partitioning over AI-RAN Networks

Tam Thanh Nguyen, Yong Hao Pua, Tuan Van Ngo, Mao V. Ngo, Jihong Park, Binbin Chen, Tony Q. S. Quek · 2026

This paper demonstrates the feasibility of transformer-based split inference for real-time video object detection over dynamic 5G AI-RAN networks. We extend throughput-aware adaptive splitting from CN…

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Computer Science Preprint PDF DOI

ARCHES: Adaptive Real-Time Switching of AI Models for the RAN

Neagin Neasamoni Santhi, Davide Villa, Michele Polese, Salvatore D'Oro, Yunseong Lee, Koichiro Furueda, Tommaso Melodia · 2026

Artificial Intelligence (AI) has become a powerful tool for model-free Radio Access Network (RAN) signal processing and optimization. However, designing a single model that generalizes across all radi…

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Computer Science Preprint PDF DOI

RANalyzer: Automated Continuous RAN Software Evaluation and Regression Analysis

Ravis Shirkhani, Reshma Prasad, Leonardo Bonati, Tommaso Melodia, Michele Polese · 2026

Software-driven O-RAN architectures enable rapid innovation through frequent, independent updates to virtualized components. However, attributing performance variations to specific software changes is…

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Computer Science Preprint PDF DOI

Training a General Purpose Automated Red Teaming Model

Aishwarya Padmakumar, Leon Derczynski, Traian Rebedea, Christopher Parisien · 2026

Automated methods for red teaming LLMs are an important tool to identify LLM vulnerabilities that may not be covered in static benchmarks, allowing for more thorough probing. They can also adapt to ea…

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Computer Science Preprint PDF DOI

AutoRISE: Agent-Driven Strategy Evolution for Red-Teaming Large Language Models

Tanmay Gautam, Alireza Bahramali, Sandeep Atluri · 2026

Automated red-teaming methods for large language models typically optimize attack prompts within a fixed, human-designed strategy, leaving the attack strategy itself unchanged. We instead optimize the…

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Computer Science Preprint PDF DOI

Adaptive Instruction Composition for Automated LLM Red-Teaming

Jesse Zymet, Andy Luo, Swapnil Shinde, Sahil Wadhwa, Emily Chen · 2026

Many approaches to LLM red-teaming leverage an attacker LLM to discover jailbreaks against a target. Several of them task the attacker with identifying effective strategies through trial and error, re…

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Computer Science Preprint PDF DOI

SDNGuardStack: An Explainable Ensemble Learning Framework for High-Accuracy Intrusion Detection in Software-Defined Networks

Ashikuzzaman, Md. Saifuzzaman Abhi, Mahabubur Rahman, Md. Manjur Ahmed, Md. Mehedi Hasan, Md. Ahsan Arif · 2026

Software-Defined Networking (SDN) is another technology that has been developing in the last few years as a relevant technique to improve network programmability and administration. Nonetheless, its c…

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Computer Science Preprint PDF DOI

Rate-Cost Tradeoffs in Nonlinear Control

Eray Unsal Atay, Venkat Chandrasekaran, Victoria Kostina · 2026

We study the rate-cost tradeoff in rate-limited control of general stochastic control systems, including nonlinear systems, over a finite horizon. At each time step, an encoder observes the state and …

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