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AI & Data Science Preprint PDF DOI

Conditional Imputation for Within-Modality Missingness in Multi-Modal Federated Learning

Wugeng Zheng, Ziwen Kan, Katie Wang, Chen Chen, Song Wang ยท 2026

Multimodal Federated Learning (MMFL) enables privacy-preserving collaborative training, but real-world clinical applications often suffer from within-modality missingness caused by sensor intermittencโ€ฆ

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AI & Data Science Preprint PDF DOI

MOCA: A Transformer-based Modular Causal Inference Framework with One-way Cross-attention and Cutting Feedback

Lei Wang, Debashis Ghosh ยท 2026

Causal effect estimation from observational data requires careful adjustment for confounding. Classical estimators such as inverse probability weighting and augmented inverse probability weighting areโ€ฆ

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AI & Data Science Preprint PDF DOI

Transferable Physical-World Adversarial Patches Against Object Detection in Autonomous Driving

Zihui Zhu, Ziqi Zhou, Yichen Wang, Lulu Xue, Minghui Li, Shengshan Hu ยท 2026

Deep learning drives major advances in autonomous driving (AD), where object detectors are central to perception. However, adversarial attacks pose significant threats to the reliability and safety ofโ€ฆ

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AI & Data Science Preprint PDF DOI

Unstable Rankings in Bayesian Deep Learning Evaluation

Qishi Zhan, Minxuan Hu, Guansu Wang, Jiaxin Liu, Liang He ยท 2026

Standard evaluations of Bayesian deep learning methods assume that metric estimates are reliable, but we show this assumption fails under data scarcity. Method rankings are not only unreliable at smalโ€ฆ

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AI & Data Science Preprint PDF DOI

ProEval: Proactive Failure Discovery and Efficient Performance Estimation for Generative AI Evaluation

Yizheng Huang, Wenjun Zeng, Aditi Kumaresan, Zi Wang ยท 2026

Evaluating generative AI models is increasingly resource-intensive due to slow inference, expensive raters, and a rapidly growing landscape of models and benchmarks. We propose ProEval, a proactive evโ€ฆ

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Engineering Preprint PDF DOI

In-context modeling as a retrain-free paradigm for foundation models in computational science

Lingfeng Li, Zhuoyuan Li, Shun Li, Kaixin Zhan, Huajian Gao, Changqing Chen, Liu Yang ยท 2026

Building models that generalize across physical systems without retraining remains a central challenge in computational science. Here we introduce In-Context Modeling (ICM), a retrain-free paradigm thโ€ฆ

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AI & Data Science Preprint PDF DOI

From Pixels to Explanations: Interpretable Diabetic Retinopathy Grading with CNN-Transformer Ensembles, Visual Explainability and Vision-Language Models

Pir Bakhsh Khokhar, Carmine Gravino, Fabio Palomba, Sule Yildirim Yayilgan, Sarang Shaikh ยท 2026

The quality of diabetic retinopathy (DR) screening relies on the ability to correctly grade severity; however, many deep-learning (DL) classifiers cannot be easily interpreted in the clinical context.โ€ฆ

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Computer Science Preprint PDF DOI

Adopting State-of-the-Art Pretrained Audio Representations for Music Recommender Systems

Yan-Martin Tamm, Anna Aljanaki ยท 2026

Over the years, Music Information Retrieval (MIR) research community has released various models pretrained on large amounts of music data. Transfer learning showcases the proven effectiveness of pretโ€ฆ

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AI & Data Science Preprint PDF DOI

RL Token: Bootstrapping Online RL with Vision-Language-Action Models

Charles Xu, Jost Tobias Springenberg, Michael Equi, Ali Amin, Adnan Esmail, Sergey Levine, Liyiming Ke ยท 2026

Vision-language-action (VLA) models can learn to perform diverse manipulation skills "out of the box," but achieving the precision and speed that real-world tasks demand requires further fine-tuning -โ€ฆ

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Engineering Preprint PDF DOI

Learning the Weather-Grid Nexus via Weather-to-Voltage (W2V) Predictive Modeling

Sol Lim, Min-Seung Ko, Farnaz Safdarian, Hao Zhu ยท 2026

This paper proposes a weather-to-voltage (W2V) predictive modeling framework to learn the underlying weather-grid nexus. Unlike existing approaches on weather-informed grid operations, our proposed W2โ€ฆ

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AI & Data Science Preprint PDF DOI

C-MORAL: Controllable Multi-Objective Molecular Optimization with Reinforcement Alignment for LLMs

Rui Gao, Youngseung Jeon, Swastik Roy, Morteza Ziyadi, Xiang 'Anthony' Chen ยท 2026

Large language models (LLMs) show promise for molecular optimization, but aligning them with selective and competing drug-design constraints remains challenging. We propose C-Moral, a reinforcement leโ€ฆ

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Engineering Preprint PDF DOI

Learning to Trust AI and Data-driven models in Data Assimilation through a Multifidelity Ensemble Gaussian Mixture Filter Framework

Andrey A. Popov ยท 2026

AI and data-driven models have large potential for data assimilation applications by creating fast and accurate forecasts. Their tendency to produce spurious inaccurate, nonphysical results -- halluciโ€ฆ

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AI & Data Science Preprint PDF DOI

K-Score: Kalman Filter as a Principled Alternative to Reward Normalization in Reinforcement Learning

Zixuan Xia, Quanxi Li ยท 2026

We propose a simple yet effective alternative to reward normalization in policy gradient reinforcement learning by integrating a 1D Kalman filter for online reward estimation. Instead of relying on fiโ€ฆ

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AI & Data Science Preprint PDF DOI

DeepImagine: Learning Biomedical Reasoning via Successive Counterfactual Imagining

Youze Zheng, Jianyou Wang, Yuhan Chen, Matthew Feng, Longtian Bao, Hanyuan Zhang, Maxim Khan, Aditya K. Sehgal, Christopher D. Rosin, Umber Dube, Ramamohan Paturi ยท 2026

Predicting the outcomes of prospective clinical trials remains a major challenge for large language models. Prior work has shown that both traditional correlational predictors, such as random forests โ€ฆ

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AI & Data Science Preprint PDF DOI

ML-Guided Primal Heuristics for Mixed Binary Quadratic Programs

Weimin Huang, Natalie M. Isenberg, Jan Drgona, Draguna L Vrabie, Bistra Dilkina ยท 2026

Mixed Binary Quadratic Programs (MBQPs) are an important and complex set of problems in combinatorial optimization. As solving large-scale combinatorial optimization problems is challenging, primal heโ€ฆ

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AI & Data Science Preprint PDF DOI

Shape of Memory: a Geometric Analysis of Machine Unlearning in Second-Order Optimizers

Kennon Stewart ยท 2026

We argue that current definitions of machine unlearning are underspecified for second-order optimizers. We compare first-order and second-order learners for their ability to handle the data deletion tโ€ฆ

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AI & Data Science Preprint PDF DOI

A Differentiable Framework for Global Circulation Model Precipitation Bias Correction

Kamlesh Sawadekar, Seth McGinnis, Peijun Li, Chaopeng Shen ยท 2026

Systematic biases in Global Circulation Model (GCM) outputs limit their direct applicability in regional planning, necessitating bias correction. Correcting precipitation is particularly challenging dโ€ฆ

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Computer Science Preprint PDF DOI

Self-Supervised Learning for Android Malware Detection on a Time-Stamped Dataset

Annan Fu, Hao Pei, Maryam Tanha ยท 2026

Android malware detectors built with machine learning often suffer from temporal bias: models are trained and evaluated without respecting apps' actual release times, inflating accuracy and weakening โ€ฆ

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AI & Data Science Preprint PDF DOI

On-Device Vision Training, Deployment, and Inference on a Thumb-Sized Microcontroller

Jeremy Ellis ยท 2026

This paper presents a complete, end-to-end on-device vision machine learning pipeline, comprising data acquisition, two-layer CNN training with Adam optimization, and real-time inference, executing enโ€ฆ

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Engineering Preprint PDF DOI

Vision-Language-Action in Robotics: A Survey of Datasets, Benchmarks, and Data Engines

Ziyao Wang, Bingying Wang, Hanrong Zhang, Tingting Du, Tianyang Chen, Guoheng Sun, Yexiao He, Zheyu Shen, Wanghao Ye, Ang Li ยท 2026

Despite remarkable progress in Vision--Language--Action (VLA) models, a central bottleneck remains underexamined: the data infrastructure that underlies embodied learning. In this survey, we argue thaโ€ฆ

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