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Computer Science

arXiv preprints from January 1, 2026 through July 28, 2026 — 07:30:02 EST

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Posted in cs.AI · 2026-01-09 · Ali Farjami, Luca Redondi, Marco Valentino

Logic-Parametric Neuro-Symbolic NLI: Controlling Logical Formalisms for Verifiable LLM Reasoning

Large language models (LLMs) and theorem provers (TPs) can be effectively combined for verifiable natural language inference (NLI). However, existing approaches rely on a fixed logical formalism, a feature that limits robustness and adaptability. We propose a logic-parametric framework for neuro-symbolic NLI that treats the underlying...

💬 0 commentsarXiv:2601.05705v1PDF
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Posted in cs.SE · 2026-01-09 · Wiebe Vandendriessche, Jordi Thijsman, Laurens D'hooge, Bruno Volckaert, Merlijn Sebrechts

AIBoMGen: Generating an AI Bill of Materials for Secure, Transparent, and Compliant Model Training

The rapid adoption of complex AI systems has outpaced the development of tools to ensure their transparency, security, and regulatory compliance. In this paper, the AI Bill of Materials (AIBOM), an extension of the Software Bill of Materials (SBOM), is introduced as a standardized, verifiable record of trained AI models and their...

💬 0 commentsarXiv:2601.05703v1PDF
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Posted in cs.CL · 2026-01-09 · Atnafu Lambebo Tonja, Srija Anand, Emilio Villa-Cueva, Israel Abebe Azime, Jesujoba Oluwadara Alabi, Muhidin A. Mohamed, Debela Desalegn Yadeta, Negasi Haile Abadi, Abigail Oppong, Nnaemeka Casmir Obiefuna, Idris Abdulmumin, Naome A Etori, Eric Peter Wairagala, Kanda Patrick Tshinu, Imanigirimbabazi Emmanuel, Gabofetswe Malema, Alham Fikri Aji, David Ifeoluwa Adelani, Thamar Solorio

Afri-MCQA: Multimodal Cultural Question Answering for African Languages

Africa is home to over one-third of the world's languages, yet remains underrepresented in AI research. We introduce Afri-MCQA, the first Multilingual Cultural Question-Answering benchmark covering 7.5k Q&A pairs across 15 African languages from 12 countries. The benchmark offers parallel English-African language Q&A pairs across text...

💬 0 commentsarXiv:2601.05699v2PDF
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Posted in cs.AI · 2026-01-09 · Zenghao Duan, Liang Pang, Zihao Wei, Wenbin Duan, Yuxin Tian, Shicheng Xu, Jingcheng Deng, Zhiyi Yin, Xueqi Cheng

Circular Reasoning: Understanding Self-Reinforcing Loops in Large Reasoning Models

Despite the success of test-time scaling, Large Reasoning Models (LRMs) frequently encounter repetitive loops that lead to computational waste and inference failure. In this paper, we identify a distinct failure mode termed Circular Reasoning. Unlike traditional model degeneration, this phenomenon manifests as a self-reinforcing trap...

💬 0 commentsarXiv:2601.05693v1PDF
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Posted in cs.LG · 2026-01-09 · Dhivya Dharshini Kannan, Wei Li, Wei Zhang, Jianbiao Wang, Zhi Wei Seh, Man-Fai Ng

When Smaller Wins: Dual-Stage Distillation and Pareto-Guided Compression of Liquid Neural Networks for Edge Battery Prognostics

Battery management systems increasingly require accurate battery health prognostics under strict on-device constraints. This paper presents DLNet, a practical framework with dual-stage distillation of liquid neural networks that turns a high-capacity model into compact and edge-deployable models for battery health prediction. DLNet...

💬 0 commentsarXiv:2601.06227v3PDF
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Posted in cs.CV · 2026-01-09 · Muye Huang, Lingling Zhang, Yifei Li, Yaqiang Wu, Jun Liu

SketchVL: Policy Optimization via Fine-Grained Credit Assignment for Chart Understanding and More

Charts are high-density visual carriers of complex data and medium for information extraction and analysis. Due to the need for precise and complex visual reasoning, automated chart understanding poses a significant challenge to existing Multimodal Large Language Models (MLLMs). Many MLLMs trained with reinforcement learning (RL) face...

💬 0 commentsarXiv:2601.05688v1PDF
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Posted in cs.IT · 2026-01-09 · Zhenqiao Cheng, Chongjun Ouyang, Boqun Zhao, Xingqi Zhang

Secure Multiuser Beamforming With Movable Antenna Arrays

A movable antenna (MA)-enabled secure multiuser transmission framework is developed to enhance physical-layer security. Novel expressions are derived to characterize the achievable sum secrecy rate based on the secure channel coding theorem. On this basis, a joint optimization algorithm for digital beamforming and MA placement is...

💬 0 commentsarXiv:2601.05686v2PDF
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Posted in cs.SE · 2026-01-09 · Mingfei Cheng, Lionel Briand, Yuan Zhou

Drivora: A Unified and Extensible Infrastructure for Search-based Autonomous Driving Testing

Search-based testing is critical for evaluating the safety and reliability of autonomous driving systems (ADSs). However, existing approaches are often built on heterogeneous frameworks (e.g., distinct scenario spaces, simulators, and ADSs), which require considerable effort to reuse and adapt across different settings. To address...

💬 0 commentsarXiv:2601.05685v1PDF
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Posted in cs.LG · 2026-01-09 · Hongyaoxing Gul, Lijuan Hu, Shuzi Niu, Fangfang Liu

FLRQ: Faster LLM Quantization with Flexible Low-Rank Matrix Sketching

Traditional post-training quantization (PTQ) is considered an effective approach to reduce model size and accelerate inference of large-scale language models (LLMs). However, existing low-rank PTQ methods require costly fine-tuning to determine a compromise rank for diverse data and layers in large models, failing to exploit their...

💬 0 commentsarXiv:2601.05684v1PDF
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Posted in cs.DS · 2026-01-09 · Martin Hitz, Michaela Hitz

On the closest pair of points problem

We introduce two novel algorithms for the problem of finding the closest pair in a cloud of $n$ points based on findings from mathematical optimal packing theory. Both algorithms are deterministic, show fast effective runtimes, and are very easy to implement. For our main algorithm, cppMM, we prove $O(n)$ time complexity for the case...

💬 0 commentsarXiv:2601.05681v1PDF
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Posted in cs.DL · 2026-01-09 · Manuel Blázquez-Ochando, Juan José Prieto-Gutiérrez, María Antonia Ovalle-Perandones

Prompt engineering for bibliographic web-scraping

Bibliographic catalogues store millions of data. The use of computer techniques such as web-scraping allows the extraction of data in an efficient and accurate manner. The recent emergence of ChatGPT is facilitating the development of suitable prompts that allow the configuration of scraping to identify and extract information from...

💬 0 commentsarXiv:2603.19237v1PDF
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Posted in cs.LG · 2026-01-09 · Yeonsang Shin, Insoo Kim, Bongkeun Kim, Keonwoo Bae, Bohyung Han

AGDC: Autoregressive Generation of Variable-Length Sequences with Joint Discrete and Continuous Spaces

Transformer-based autoregressive models excel in data generation but are inherently constrained by their reliance on discretized tokens, which limits their ability to represent continuous values with high precision. We analyze the scalability limitations of existing discretization-based approaches for generating hybrid...

💬 0 commentsarXiv:2601.05680v1PDF
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Posted in cs.LG · 2026-01-09 · George Ma, Zhongyuan Liang, Irene Y. Chen, Somayeh Sojoudi

Do Sparse Autoencoders Identify Reasoning Features in Language Models?

We study how reliably sparse autoencoders (SAEs) support claims about reasoning-related internal features in large language models. We first give a stylized analysis showing that sparsity-regularized decoding can preferentially retain stable low-dimensional correlates while suppressing high-dimensional within-behavior variation,...

💬 0 commentsarXiv:2601.05679v7PDF
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Posted in cs.CV · 2026-01-09 · Zhen-Xin Lin, Shang-Kuan Chen

Phase4DFD: Multi-Domain Phase-Aware Attention for Deepfake Detection

Recent deepfake detection methods have increasingly explored frequency domain representations to reveal manipulation artifacts that are difficult to detect in the spatial domain. However, most existing approaches rely primarily on spectral magnitude, implicitly under exploring the role of phase information. In this work, we propose...

💬 0 commentsarXiv:2601.05861v1PDF
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Posted in cs.CL · 2026-01-09 · Alexandra Dragomir, Florin Brad, Radu Tudor Ionescu

CLewR: Curriculum Learning with Restarts for Machine Translation Preference Learning

Large language models (LLMs) have demonstrated competitive performance in zero-shot multilingual machine translation (MT). Some follow-up works further improved MT performance via preference optimization, but they leave a key aspect largely underexplored: the order in which data samples are given during training. We address this topic...

💬 0 commentsarXiv:2601.05858v2PDF
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Posted in cs.CV · 2026-01-09 · Kaiwen Huang, Yizhe Zhang, Yi Zhou, Tianyang Xu, Tao Zhou

Bidirectional Channel-selective Semantic Interaction for Semi-Supervised Medical Segmentation

Semi-supervised medical image segmentation is an effective method for addressing scenarios with limited labeled data. Existing methods mainly rely on frameworks such as mean teacher and dual-stream consistency learning. These approaches often face issues like error accumulation and model structural complexity, while also neglecting...

💬 0 commentsarXiv:2601.05855v1PDF
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Posted in cs.CV · 2026-01-09 · Yinghan Xu, John Dingliana

LayerGS: Decomposition and Inpainting of Layered 3D Human Avatars via 2D Gaussian Splatting

We propose a novel framework for decomposing arbitrarily posed humans into animatable multi-layered 3D human avatars, separating the body and garments. Conventional single-layer reconstruction methods lock clothing to one identity, while prior multi-layer approaches struggle with occluded regions. We overcome both limitations by...

💬 0 commentsarXiv:2601.05853v1PDF
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Posted in cs.CV · 2026-01-09 · Jen Dusseljee, Sarah de Boer, Alessa Hering

Kidney Cancer Detection Using 3D-Based Latent Diffusion Models

In this work, we present a novel latent diffusion-based pipeline for 3D kidney anomaly detection on contrast-enhanced abdominal CT. The method combines Denoising Diffusion Probabilistic Models (DDPMs), Denoising Diffusion Implicit Models (DDIMs), and Vector-Quantized Generative Adversarial Networks (VQ-GANs). Unlike prior slice-wise...

💬 0 commentsarXiv:2601.05852v1PDF
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Posted in cs.CL · 2026-01-09 · Sandeep Mishra, Devichand Budagam, Anubhab Mandal, Bishal Santra, Pawan Goyal, Manish Gupta

Router-Suggest: Dynamic Routing for Multimodal Auto-Completion in Visually-Grounded Dialogs

Real-time multimodal auto-completion is essential for digital assistants, chatbots, design tools, and healthcare consultations, where user inputs rely on shared visual context. We introduce Multimodal Auto-Completion (MAC), a task that predicts upcoming characters in live chats using partially typed text and visual cues. Unlike...

💬 0 commentsarXiv:2601.05851v1PDF
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Posted in cs.CC · 2026-01-09 · Jun-Ting Hsieh, Daniel M. Kane, Pravesh K. Kothari, Jerry Li, Sidhanth Mohanty, Stefan Tiegel

Rigorous Implications of the Low-Degree Heuristic

Over the past decade, the low-degree heuristic has been used to estimate the algorithmic thresholds for a wide range of average-case planted vs null distinguishing problems. Such results rely on the hypothesis that if the low-degree moments of the planted and null distributions are sufficiently close, then no efficient...

💬 0 commentsarXiv:2601.05850v1PDF
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Posted in cs.CV · 2026-01-09 · Nate Gillman, Yinghua Zhou, Zitian Tang, Evan Luo, Arjan Chakravarthy, Daksh Aggarwal, Michael Freeman, Charles Herrmann, Chen Sun

Goal Force: Teaching Video Models To Accomplish Physics-Conditioned Goals

Recent advancements in video generation have enabled the development of ``world models'' capable of simulating potential futures for robotics and planning. However, specifying precise goals for these models remains a challenge; text instructions are often too abstract to capture physical nuances, while target images are frequently...

💬 0 commentsarXiv:2601.05848v2PDF
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Posted in cs.CY · 2026-01-09 · Dalal Alrajeh, Vesna Nowack, Patrick Benjamin, Katie Thomas, William Hobson, Carolina Gutierrez Muñoz, Catherine Hamilton-Giachritsis, Juliane A. Kloess, Jessica Woodhams, Daniel Butler, Mark Law, Ralph Morton, Benjamin Costello, Amy Burrell, Tim Grant, Prachiben Shah, Frances Laureano de Leon, Mark Lee

Data-Dependent Goal Modeling for ML-Enabled Law Enforcement Systems

Investigating serious crimes is inherently complex and resource-constrained. Law enforcement agencies (LEAs) grapple with overwhelming volumes of offender and incident data, making effective suspect identification difficult. Although machine learning (ML)-enabled systems have been explored to support LEAs, several have failed in...

💬 0 commentsarXiv:2601.06237v1PDF
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Posted in cs.CL · 2026-01-09 · Yinuo Liu, Emre Sezgin, Eric A. Youngstrom

Evaluating Large Language Models for Abstract Evaluation Tasks: An Empirical Study

Introduction: Large language models (LLMs) can process requests and generate texts, but their feasibility for assessing complex academic content needs further investigation. To explore LLM's potential in assisting scientific review, this study examined ChatGPT-5, Gemini-3-Pro, and Claude-Sonnet-4.5's consistency and reliability in...

💬 0 commentsarXiv:2601.19925v1PDF
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Posted in cs.CL · 2026-01-09 · Rafael Brens, Yuqiao Meng, Luoxi Tang, Zhaohan Xi

Schema-Grounded LLM Extraction for FHIR Patient Digital Twins

We revisit the problem of constructing interoperable patient digital twins from unstructured electronic health records (EHRs) and argue that the task is better cast not as a cascade of extraction modules but as constrained generation of a valid FHIR bundle. We introduce SG-LLM, a schema-grounded LLM extractor that (i) augments the...

💬 0 commentsarXiv:2601.05847v2PDF
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Posted in cs.LG · 2026-01-09 · Eric Weine, Peter Carbonetto, Rafael A. Irizarry, Matthew Stephens

A New Family of Poisson Non-negative Matrix Factorization Methods Using the Shifted Log Link

Poisson non-negative matrix factorization (NMF) is a widely used method to find interpretable "parts-based" decompositions of count data. While many variants of Poisson NMF exist, existing methods assume that the "parts" in the decomposition combine additively. This assumption may be natural in some settings, but not in others. Here...

💬 0 commentsarXiv:2601.05845v1PDF