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Computer Science

arXiv preprints from January 1, 2026 through July 20, 2026 — 11:00:19 EST

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Posted in cs.LG · 2026-01-13 · Sören Schleibaum, Anton Frederik Thielmann, Julian Teusch, Benjamin Säfken, Jörg P. Müller

EviNAM: Intelligibility and Uncertainty via Evidential Neural Additive Models

Intelligibility and accurate uncertainty estimation are crucial for reliable decision-making. In this paper, we propose EviNAM, an extension of evidential learning that integrates the interpretability of Neural Additive Models (NAMs) with principled uncertainty estimation. Unlike standard Bayesian neural networks and previous...

💬 0 commentsarXiv:2601.08556v1PDF
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Posted in cs.SI · 2026-01-13 · Chunxu Lin, Yumao Xie, Yixiang Fang, Yongmin Hu, Yingqian Hu, Cheng Chen

Maintaining Leiden Communities in Large Dynamic Graphs

Community detection is a foundational capability in large-scale industrial graph analytics, powering applications such as fraud-ring discovery, recommendation systems, and hierarchical indexing for retrieval-augmented generation. Among modularity-based methods, the Leiden algorithm has been widely adopted in production because it...

💬 0 commentsarXiv:2601.08554v5PDF
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Posted in cs.LG · 2026-01-13 · Philip Maus

Comparison of Outlier Detection Algorithms on String Data

Outlier detection is a well-researched and crucial problem in machine learning. However, there is little research on string data outlier detection, as most literature focuses on outlier detection of numerical data. A robust string data outlier detection algorithm could assist with data cleaning or anomaly detection in system log...

💬 0 commentsarXiv:2603.11049v1PDF
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Posted in cs.LG · 2026-01-13 · Sucheta Ghosh, Felix Dietrich, Zahra Monfared

Contrastive and Multi-Task Learning on Noisy Brain Signals with Nonlinear Dynamical Signatures

We introduce a two-stage multitask learning framework for analyzing Electroencephalography (EEG) signals that integrates denoising, dynamical modeling, and representation learning. In the first stage, a denoising autoencoder is trained to suppress artifacts and stabilize temporal dynamics, providing robust signal representations. In...

💬 0 commentsarXiv:2601.08549v3PDF
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Posted in cs.AI · 2026-01-13 · Zhenlong Dai, Zhuoluo Zhao, Hengning Wang, Xiu Tang, Sai Wu, Chang Yao, Zhipeng Gao, Jingyuan Chen

Learner-Tailored Program Repair: A Solution Generator with Iterative Edit-Driven Retrieval Enhancement

With the development of large language models (LLMs) in the field of programming, intelligent programming coaching systems have gained widespread attention. However, most research focuses on repairing the buggy code of programming learners without providing the underlying causes of the bugs. To address this gap, we introduce a novel...

💬 0 commentsarXiv:2601.08545v2PDF
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Posted in cs.CV · 2026-01-13 · Hassan Ugail, Jan Ritch-Frel, Irina Matuzava

Handcrafted Feature-Assisted One-Class Learning for Artist Authentication in Historical Drawings

Authentication and attribution of works on paper remain persistent challenges in cultural heritage, particularly when the available reference corpus is small and stylistic cues are primarily expressed through line and limited tonal variation. We present a verification-based computational framework for historical drawing authentication...

💬 0 commentsarXiv:2601.11627v1PDF
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Posted in cs.PF · 2026-01-13 · Jeffrey Spaan, Kuan-Hsun Chen, Ana-Lucia Varbanescu

Reducing Compute Waste in LLMs through Kernel-Level DVFS

The rapid growth of AI has fueled the expansion of accelerator- or GPU-based data centers. However, the rising operational energy consumption has emerged as a critical bottleneck and a major sustainability concern. Dynamic Voltage and Frequency Scaling (DVFS) is a well-known technique used to reduce energy consumption, and thus...

💬 0 commentsarXiv:2601.08539v1PDF
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Posted in cs.CV · 2026-01-13 · Christos Tsourveloudis

Do Open-Vocabulary Detectors Transfer to Aerial Imagery? A Comparative Evaluation

Open-vocabulary object detection (OVD) enables zero-shot recognition of novel categories through vision-language models, achieving strong performance on natural images. However, transferability to aerial imagery remains unexplored. We present the first systematic benchmark evaluating five state-of-the-art OVD models on the LAE-80C...

💬 0 commentsarXiv:2601.22164v1PDF
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Posted in cs.CL · 2026-01-13 · Ruizhe Li, Mingxuan Du, Benfeng Xu, Chiwei Zhu, Xiaorui Wang, Zhendong Mao

DeepResearch Bench II: Diagnosing Deep Research Agents via Rubrics from Expert Report

Deep Research Systems (DRS) aim to help users search the web, synthesize information, and deliver comprehensive investigative reports. However, how to rigorously evaluate these systems remains under-explored. Existing deep-research benchmarks often fall into two failure modes. Some do not adequately test a system's ability to analyze...

💬 0 commentsarXiv:2601.08536v2PDF
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Posted in cs.IT · 2026-01-13 · Haricharan Balasundaram, Andrew Thangaraj

Distribution Estimation with Side Information

We consider the classical problem of discrete distribution estimation using i.i.d. samples in a novel scenario where additional side information is available on the distribution. In large alphabet datasets such as text corpora, such side information arises naturally through word semantics/similarities that can be inferred by closeness...

💬 0 commentsarXiv:2601.08535v2PDF
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Posted in cs.AI · 2026-01-13 · Warissara Booranamaitree, Xusheng Du, Yushu Cai, Zhengyang Wang, Ye Zhang, Haoran Xie

Sketch-Based Facade Renovation With Generative AI: A Streamlined Framework for Bypassing As-Built Modelling in Industrial Adaptive Reuse

Facade renovation offers a more sustainable alternative to full demolition, yet producing design proposals that preserve existing structures while expressing new intent remains challenging. Current workflows typically require detailed as-built modelling before design, which is time-consuming, labour-intensive, and often involves...

💬 0 commentsarXiv:2601.08531v1PDF
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Posted in cs.GT · 2026-01-13 · Zhonghao Wang, Junqiang Peng, Yuxi Liu, Mingyu Xiao

How Hard Is It to Rig a Tournament When Few Players Can Beat or Be Beaten by the Favorite?

In knockout tournaments, players compete in successive rounds, with losers eliminated and winners advancing until a single champion remains. Given a tournament digraph $D$, which encodes the outcomes of all possible matches, and a designated player $v^* \in V(D)$, the \textsc{Tournament Fixing} problem (TFP) asks whether the...

💬 0 commentsarXiv:2601.08530v1PDF
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Posted in cs.PL · 2026-01-13 · Thomas Bagrel

Formalization and Implementation of Safe Destination Passing in Pure Functional Programming Settings

Destination-passing style programming introduces destinations, which represent the address of a write-once memory cell. These destinations can be passed as function parameters, allowing the caller to control memory management: the callee simply fills the cell instead of allocating space for a return value. While typically used in...

💬 0 commentsarXiv:2601.08529v1PDF
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Posted in cs.DB · 2026-01-13 · Yuchen Peng, Dingyu Yang, Zhongle Xie, Ji Sun, Lidan Shou, Ke Chen, Gang Chen

SVFusion: A CPU-GPU Co-Processing Architecture for Large-Scale Real-Time Vector Search

Approximate Nearest Neighbor Search (ANNS) underpins modern applications such as information retrieval and recommendation. With the rapid growth of vector data, efficient indexing for real-time vector search has become rudimentary. Existing CPU-based solutions support updates but suffer from low throughput, while GPU-accelerated...

💬 0 commentsarXiv:2601.08528v1PDF
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Posted in cs.NE · 2026-01-13 · Gouri Lakshmi S, Athira Chandrasekharan, Harshit Kumar, Muhammed Sahad E, Bikas C Das, Saptarshi Bej

Supervised Spike Agreement Dependent Plasticity for Fast Local Learning in Spiking Neural Networks

Spike-Timing-Dependent Plasticity (STDP) provides a biologically grounded learning rule for spiking neural networks (SNNs), but its reliance on precise spike timing and pairwise updates limits fast learning of weights. We introduce a supervised extension of Spike Agreement-Dependent Plasticity (SADP), which replaces pairwise...

💬 0 commentsarXiv:2601.08526v1PDF
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Posted in cs.RO · 2026-01-13 · Nesserine Laribi, Mohammed Rida Mokhtari, Abdelaziz Benallegue, Abdelhafid El-Hadri, Mehdi Benallegue

QP-Based Control of an Underactuated Aerial Manipulator under Constraints

This paper presents a constraint-aware control framework for underactuated aerial manipulators, enabling accurate end-effector trajectory tracking while explicitly accounting for safety and feasibility constraints. The control problem is formulated as a quadratic program that computes dynamically consistent generalized accelerations...

💬 0 commentsarXiv:2601.08523v1PDF
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Posted in cs.LG · 2026-01-13 · Fengkai Yang, Zherui Chen, Xiaohan Wang, Xiaodong Lu, Jiajun Chai, Guojun Yin, Wei Lin, Shuai Ma, Fuzhen Zhuang, Deqing Wang, Yaodong Yang, Jianxin Li, Yikun Ban

Your Group-Relative Advantage Is Biased

Reinforcement Learning from Verifier Rewards (RLVR) has emerged as a widely used approach for post-training large language models on reasoning tasks, with group-based methods such as GRPO and its variants gaining broad adoption. These methods rely on group-relative advantage estimation to avoid learned critics, yet its theoretical...

💬 0 commentsarXiv:2601.08521v2PDF
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Posted in cs.RO · 2026-01-13 · Krzysztof Zielinski, Dominik Belter

Keyframe-based Dense Mapping with the Graph of View-Dependent Local Maps

In this article, we propose a new keyframe-based mapping system. The proposed method updates local Normal Distribution Transform maps (NDT) using data from an RGB-D sensor. The cells of the NDT are stored in 2D view-dependent structures to better utilize the properties and uncertainty model of RGB-D cameras. This method naturally...

💬 0 commentsarXiv:2601.08520v1PDF
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Posted in cs.CV · 2026-01-13 · Kexin Bao, Daichi Zhang, Hansong Zhang, Yong Li, Yutao Yue, Shiming Ge

CD^2: Constrained Dataset Distillation for Few-Shot Class-Incremental Learning

Few-shot class-incremental learning (FSCIL) receives significant attention from the public to perform classification continuously with a few training samples, which suffers from the key catastrophic forgetting problem. Existing methods usually employ an external memory to store previous knowledge and treat it with incremental classes...

💬 0 commentsarXiv:2601.08519v1PDF
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Posted in cs.CV · 2026-01-13 · Tolgay Atinc Uzun, Dmitry Ignatov, Radu Timofte

Closed-Loop LLM Discovery of Non-Standard Channel Priors in Vision Models

Channel-configuration search, the optimization of layer specifications such as channel widths in deep neural networks, presents a combinatorial challenge constrained by tensor-shape compatibility and computational budgets. We investigate whether large language models (LLMs) can support neural architecture search (NAS) by reasoning...

💬 0 commentsarXiv:2601.08517v2PDF
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Posted in cs.SD · 2026-01-13 · Ziqi Ding, Yunfeng Wan, Wei Song, Yi Liu, Gelei Deng, Nan Sun, Huadong Mo, Jingling Xue, Shidong Pan, Yuekang Li

Robust CAPTCHA Using Audio Illusions in the Era of Large Language Models: from Evaluation to Advances

CAPTCHAs are widely used by websites to block bots and spam by presenting challenges that are easy for humans but difficult for automated programs to solve. To improve accessibility, audio CAPTCHAs are designed to complement visual ones. However, the robustness of audio CAPTCHAs against advanced Large Audio Language Models (LALMs) and...

💬 0 commentsarXiv:2601.08516v1PDF
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Posted in cs.NI · 2026-01-13 · Ana Julia Evangelista Andrade, Flavio Cezar Amate

A decentralized academic certificate issuance system using smart contracts on the tron network

This paper presents the design, implementation, and evaluation of a decentralized system for issuing and verifying academic certificates based on blockchain technology. The proposed solution addresses common limitations of traditional certification models, such as susceptibility to forgery, reliance on centralized infrastructures, and...

💬 0 commentsarXiv:2601.08513v1PDF
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Posted in cs.RO · 2026-01-13 · Davide Risi, Vincenzo Petrone, Antonio Langella, Lorenzo Pagliara, Enrico Ferrentino, Pasquale Chiacchio

Simplifying ROS2 controllers with a modular architecture for robot-agnostic reference generation

This paper introduces a novel modular architecture for ROS2 that decouples the logic required to acquire, validate, and interpolate references from the control laws that track them. The design includes a dedicated component, named Reference Generator, that receives references, in the form of either single points or trajectories, from...

💬 0 commentsarXiv:2601.08514v2PDF
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Posted in cs.CL · 2026-01-13 · Przemysław Spyra

Algorithmic Stability in Infinite Dimensions: Characterizing Unconditional Convergence in Banach Spaces

The distinction between conditional, unconditional, and absolute convergence in infinite-dimensional spaces has fundamental implications for computational algorithms. While these concepts coincide in finite dimensions, the Dvoretzky-Rogers theorem establishes their strict separation in general Banach spaces. We present a comprehensive...

💬 0 commentsarXiv:2601.08512v1PDF