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AI & Data Science Preprint PDF DOI

Weak-Link Optimization for Multi-Agent Reasoning and Collaboration

Haoyu Bian, Chaoning Zhang, Jiaquan Zhang, Xingyao Li, Yuanfang Guo, Wei Dong, Yang Yang ยท 2026

LLM-driven multi-agent frameworks address complex reasoning tasks through multi-role collaboration. However, existing approaches often suffer from reasoning instability, where individual agent errors โ€ฆ

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AI & Data Science Preprint PDF DOI

Evaluating quality in synthetic data generation for large tabular health datasets

Jean-Baptiste Escudie, Benjamin Barnes, Stefan Meisegeier, Klaus Kraywinkel, Fabian Prasser, Nils Korber ยท 2026

There is no consensus in the field of synthetic data on concise metrics for quality evaluations or benchmarks on large health datasets, such as historical epidemiological data. This study presents an โ€ฆ

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Physics Preprint PDF DOI

Identification and Structural Characterization of Twisted Atomically Thin Bilayer Materials by Deep Learning

Haitao Yang, Ruiqi Hu, Heng Wu, Xiaolong He, Yan Zhou, Yizhe Xue, Kexin He, Wenshuai Hu, Haosen Chen, Mingming Gong, Xin Zhang, Ping-Heng Tan, Eduardo R Hernandez, Yong Xie ยท 2026

Two-dimensional materials are expected to play an important role in next-generation electronics and optoelectronic devices. Recently, twisted bilayer graphene and transition metal dichalcogenides haveโ€ฆ

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AI & Data Science Preprint PDF DOI

TwinTrack: Post-hoc Multi-Rater Calibration for Medical Image Segmentation

Tristan Kirscher (ICube), Alexandra Ertl (DKFZ), Klaus Maier-Hein (DKFZ), Xavier Coubez (ICANS), Philippe Meyer (ICube), Sylvain Faisan (ICube) ยท 2026

Pancreatic ductal adenocarcinoma (PDAC) segmentation on contrast-enhanced CT is inherently ambiguous: inter-rater disagreement among experts reflects genuine uncertainty rather than annotation noise. โ€ฆ

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AI & Data Science Preprint PDF DOI

RAGognizer: Hallucination-Aware Fine-Tuning via Detection Head Integration

Fabian Ridder, Laurin Lessel, Malte Schilling ยท 2026

Retrieval-Augmented Generation (RAG) is widely used to augment the input to Large Language Models (LLMs) with external information, such as recent or domain-specific knowledge. Nonetheless, current moโ€ฆ

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Computer Science Preprint PDF DOI

Polarization by Default: Auditing Recommendation Bias in LLM-Based Content Curation

Nicolo Pagan, Christopher Barrie, Chris Andrew Bail, Petter Tornberg ยท 2026

Large Language Models (LLMs) are increasingly deployed to curate and rank human-created content, yet the nature and structure of their biases in these tasks remains poorly understood: which biases areโ€ฆ

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Computer Science Preprint PDF DOI

Federated Parameter-Efficient Adaptation for Interference Mitigation at the Wireless Edge

Evar Jones, Daniel J. Jakubisin, Sanmay Das ยท 2026

Dense wireless deployments face co-channel interference from heterogeneous sources that vary across base stations (gNBs in 5G). While centralized DNN-based approaches to interference mitigation have sโ€ฆ

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Physics Preprint PDF DOI

Inferring Halo Mass and Scale Radius of Galaxy Clusters Using Convolutional Neural Networks and Uchuu-UniverseMachine Catalogs

Hirobumi Tominaga, Asuka Nakamura, Tomoaki Ishiyama, Mohamed H. Abdullah ยท 2026

We investigate the ability of machine learning to infer the virial mass ($M_{\rm vir}$) and the scale radius ($r_{\rm s}$) of galaxy clusters from their observables. Using the Uchuu--UniverseMachine gโ€ฆ

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AI & Data Science Preprint PDF DOI

Agentic AI for Education: A Unified Multi-Agent Framework for Personalized Learning and Institutional Intelligence

Arya Mary K J, Deepthy K Bhaskar, Sinu T S, Binu V P ยท 2026

Agentic Artificial Intelligence (AI) represents a paradigm shift from reactive systems to proactive, autonomous decision making frameworks. Existing AI-based educational systems remain fragmented and โ€ฆ

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Engineering Preprint PDF DOI

A Reconfigurable Pneumatic Joint Enabling Localized Selective Stiffening and Shape Locking in Vine-Inspired Robots

Ayodele James Oyejide, Ustaz A. Yaqub, Samir Erturk, Eray A. Baran, Fabio Stroppa ยท 2026

Vine-inspired robots achieve large workspace coverage through tip eversion, enabling safe navigation in confined and cluttered environments. However, their deployment in free space is fundamentally liโ€ฆ

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AI & Data Science Preprint PDF DOI

AeroDeshadow: Physics-Guided Shadow Synthesis and Penumbra-Aware Deshadowing for Aerospace Imagery

Wei Lu, Zi-Yang Bo, Fei-Fei Sang, Yi Liu, Xue Yang, Si-Bao Chen ยท 2026

Shadows are prevalent in high-resolution aerospace imagery (ASI). They often cause spectral distortion and information loss, which degrade downstream interpretation tasks. While deep learning methods โ€ฆ

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AI & Data Science Preprint PDF DOI

Towards Rigorous Explainability by Feature Attribution

Olivier Letoffe, Xuanxiang Huang, Joao Marques-Silva ยท 2026

For around a decade, non-symbolic methods have been the option of choice when explaining complex machine learning (ML) models. Unfortunately, such methods lack rigor and can mislead human decision-makโ€ฆ

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AI & Data Science Preprint PDF DOI

Classification of systolic murmurs in heart sounds using multiresolution complex Gabor dictionary and vision transformer

Mahmoud Fakhry, Abeer FathAllah Brery ยท 2026

Systolic murmurs are extra heart sounds that occur during the contraction phase of the cardiac cycle, often indicating heart abnormalities caused by turbulent blood flow. Their intensity, pitch, and qโ€ฆ

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AI & Data Science Preprint PDF DOI

Experience Compression Spectrum: Unifying Memory, Skills, and Rules in LLM Agents

Xing Zhang, Guanghui Wang, Yanwei Cui, Wei Qiu, Ziyuan Li, Bing Zhu, Peiyang He ยท 2026

As LLM agents scale to long-horizon, multi-session deployments, efficiently managing accumulated experience becomes a critical bottleneck. Agent memory systems and agent skill discovery both address tโ€ฆ

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AI & Data Science Preprint PDF DOI

Robust Multispectral Semantic Segmentation under Missing or Full Modalities via Structured Latent Projection

Irem Ulku, Erdem Akagunduz, Omer Ozgur Tanr{i}over ยท 2026

Multimodal remote sensing data provide complementary information for semantic segmentation, but in real-world deployments, some modalities may be unavailable due to sensor failures, acquisition issuesโ€ฆ

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Engineering Preprint PDF DOI

Limits of Lamarckian Evolution Under Pressure of Morphological Novelty

Jed R Muff, Karine Miras, A.E. Eiben ยท 2026

Lamarckian inheritance has been shown to be a powerful accelerator in systems where the joint evolution of robot morphologies and controllers is enhanced with individual learning. Its defining advantaโ€ฆ

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AI & Data Science Preprint PDF DOI

Learning to Look before Learning to Like: Incorporating Human Visual Cognition into Aesthetic Quality Assessment

Liwen Yu, Chi Liu, Xiaotong Han, Congcong Zhu, Minghao Wang, Sheng Shen ยท 2026

Automated Aesthetic Quality Assessment (AQA) treats images primarily as static pixel vectors, aligning predictions with human-rating scores largely through semantic perception. However, this paradigm โ€ฆ

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AI & Data Science Preprint PDF DOI

CiPO: Counterfactual Unlearning for Large Reasoning Models through Iterative Preference Optimization

Junyi Li, Yongqiang Chen, Ningning Ding ยท 2026

Machine unlearning has gained increasing attention in recent years, as a promising technique to selectively remove unwanted privacy or copyrighted information from Large Language Models that are trainโ€ฆ

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AI & Data Science Preprint PDF DOI

CoEvolve: Training LLM Agents via Agent-Data Mutual Evolution

Shidong Yang, Ziyu Ma, Tongwen Huang, Yiming Hu, Yong Wang, Xiangxiang Chu ยท 2026

Reinforcement learning for LLM agents is typically conducted on a static data distribution, which fails to adapt to the agent's evolving behavior and leads to poor coverage of complex environment inteโ€ฆ

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AI & Data Science Preprint PDF DOI

S-GRPO: Unified Post-Training for Large Vision-Language Models

Yuming Yan, Kai Tang, Sihong Chen, Ke Xu, Dan Hu, Qun Yu, Pengfei Hu ยท 2026

Current post-training methodologies for adapting Large Vision-Language Models (LVLMs) generally fall into two paradigms: Supervised Fine-Tuning (SFT) and Reinforcement Learning (RL). Despite their preโ€ฆ

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