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AI & Data Science Preprint PDF DOI

STEP-PD: Stage-Aware and Explainable Parkinson's Disease Severity Classification Using Multimodal Clinical Assessments

Md Mezbahul Islam, John Michael Templeton, Christian Poellabauer, Ananda Mohan Mondal ยท 2026

Parkinson's disease (PD) is a progressive disorder in which symptom burden and functional impairment evolve over time, making severity staging essential for clinical monitoring and treatment planning.โ€ฆ

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Computer Science Preprint PDF DOI

Terminal Wrench: A Dataset of 331 Reward-Hackable Environments and 3,632 Exploit Trajectories

Ivan Bercovich, Ivgeni Segal, Kexun Zhang, Shashwat Saxena, Aditi Raghunathan, Ziqian Zhong ยท 2026

We release Terminal Wrench, a subset of 331 terminal-agent benchmark environments, copied from the popular open benchmarks that are demonstrably reward-hackable. The data set includes 3,632 hack trajeโ€ฆ

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AI & Data Science Preprint PDF DOI

DIRCR: Dual-Inference Rule-Contrastive Reasoning for Solving RAVENs

Jiachen Zhang, Chengtai Li, Jianfeng Ren, Linlin Shen, Zheng Lu, Ruibin Bai ยท 2026

Abstract visual reasoning remains challenging as existing methods often prioritize either global context or local row-wise relations, failing to integrate both, and lack intermediate feature constrainโ€ฆ

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AI & Data Science Preprint PDF DOI

Intervention-Aware Multiscale Representation Learning from Imaging Phenomics and Perturbation Transcriptomics

Jiayuan Chen, Ruoqi Liu, Zishan Gu, Ping Zhang ยท 2026

Microscopy-based phenotypic profiling is scalable for drug discovery but lacks the mechanistic depth of transcriptomics, which remains costly and scarce. Existing multimodal approaches either use imagโ€ฆ

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AI & Data Science Preprint PDF DOI

How Much Data is Enough? The Zeta Law of Discoverability in Biomedical Data, featuring the enigmatic Riemann zeta function

Paul M. Thompson ยท 2026

How much data is enough to make a scientific discovery? As biomedical datasets scale to millions of samples and AI models grow in capacity, progress increasingly depends on predicting when additional โ€ฆ

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AI & Data Science Preprint PDF DOI

Recovery Guarantees for Continual Learning of Dependent Tasks: Memory, Data-Dependent Regularization, and Data-Dependent Weights

Liangzu Peng, Uday Kiran Reddy Tadipatri, Ziqing Xu, Eric Eaton, Rene Vidal ยท 2026

Continual learning (CL) is concerned with learning multiple tasks sequentially without forgetting previously learned tasks. Despite substantial empirical advances over recent years, the theoretical deโ€ฆ

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Engineering Preprint PDF DOI

$\mu$-FlowNet: A Deep Learning Approach for Mapping Flow Fields in Irregular Microchannels Using an Attention-based U-Net Encoder-Decoder Architecture

Ganesh Sahadeo Meshram, Suman Chakraborty, Nishant Sinha, Partha Pratim Chakrabarti ยท 2026

In the complex domain of microfluidics systems, analysing fluid flow patterns through random-shaped circular microchannels is significantly challenging task. Conventional approach of solving such probโ€ฆ

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AI & Data Science Preprint PDF DOI

Beyond Fine-Tuning: In-Context Learning and Chain-of-Thought for Reasoned Distractor Generation

Elaf Alhazmi, Quan Z. Sheng, Wei Emma Zhang ยท 2026

Distractor generation (DG) remains a labor-intensive task that still significantly depends on domain experts. The task focuses on generating plausible yet incorrect options, known as distractors, for โ€ฆ

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AI & Data Science Preprint PDF DOI

MAPLE: A Meta-learning Framework for Cross-Prompt Essay Scoring

Salam Albatarni, May Bashendy, Sohaila Eltanbouly, Tamer Elsayed ยท 2026

Automated Essay Scoring (AES) faces significant challenges in cross-prompt settings, where models must generalize to unseen writing prompts. To address this limitation, we propose MAPLE, a meta-learniโ€ฆ

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AI & Data Science Preprint PDF DOI

Diverse Dictionary Learning

Yujia Zheng, Zijian Li, Shunxing Fan, Andrew Gordon Wilson, Kun Zhang ยท 2026

Given only observational data $X = g(Z)$, where both the latent variables $Z$ and the generating process $g$ are unknown, recovering $Z$ is ill-posed without additional assumptions. Existing methods oโ€ฆ

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Engineering Preprint PDF DOI

Target Parameterization in Diffusion Models for Nonlinear Spatiotemporal System Identification

Achraf El Messaoudi, Noureddine Khaous, Karim Cherifi ยท 2026

Machine learning is becoming increasingly important for nonlinear system identification, including dynamical systems with spatially distributed outputs. However, classical identification and forecastiโ€ฆ

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AI & Data Science Preprint PDF DOI

CoSearch: Joint Training of Reasoning and Document Ranking via Reinforcement Learning for Agentic Search

Hansi Zeng, Liam Collins, Bhuvesh Kumar, Neil Shah, Hamed Zamani ยท 2026

Agentic search -- the task of training agents that iteratively reason, issue queries, and synthesize retrieved information to answer complex questions -- has achieved remarkable progress through reinfโ€ฆ

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AI & Data Science Preprint PDF DOI

SVL: Goal-Conditioned Reinforcement Learning as Survival Learning

Franki Nguimatsia Tiofack, Fabian Schramm, Theotime Le Hellard, Justin Carpentier ยท 2026

Standard approaches to goal-conditioned reinforcement learning (GCRL) that rely on temporal-difference learning can be unstable and sample-inefficient due to bootstrapping. While recent work has exploโ€ฆ

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Computer Science Preprint PDF DOI

Flint: Compiler Enabled Cluster-Free Design Space Exploration for Distributed ML

Jinsun Yoo, Meghan Cowan, Zheng Du, Changhai Man, Srinivas Sridharan, Tushar Krishna ยท 2026

Design space exploration for future distributed Machine Learning systems suffers from a lack of readily available workload representation that enables flexible exploration across the stack. We presentโ€ฆ

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AI & Data Science Preprint PDF DOI

2D Pre-Training for 3D Pose Estimation

Liyao Jiang, Ruichen Chen, Keith G. Mills ยท 2026

Pre-training is a general method that is used in a range of deep learning tasks. By first training a model on one task, and then further training on the downstream task used for final evaluation, the โ€ฆ

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Mathematics Preprint PDF DOI

Robust Deep FOSLS for Transmission Problems

Alejandro Duque, Paulina Sepulveda, Carlos Uriarte, Jamie M. Taylor, David Pardo ยท 2026

This work presents a robust, energy-based deep learning framework for solving transmission problems in heterogeneous media, including cases with discontinuous material scenarios. We introduce a weightโ€ฆ

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AI & Data Science Preprint PDF DOI

Contraction and Hourglass Persistence for Learning on Graphs, Simplices, and Cells

Mattie Ji, Indradyumna Roy, Vikas Garg ยท 2026

Persistent homology (PH) encodes global information, such as cycles, and is thus increasingly integrated into graph neural networks (GNNs). PH methods in GNNs typically traverse an increasing sequenceโ€ฆ

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AI & Data Science Preprint PDF DOI

PoliLegalLM: A Technical Report on a Large Language Model for Political and Legal Affairs

Yuting Huang, Yinghao Hu, Qian Xiao, Wenlin Zhong, Yiquan Wu, Taishi Zhou, Moke Chen, Changlong Sun, Kun Kuang, Fei Wu ยท 2026

Large language models (LLMs) have achieved remarkable success in general-domain tasks, yet their direct application to the legal domain remains challenging due to hallucinated legal citations, incomplโ€ฆ

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AI & Data Science Preprint PDF DOI

OPSDL: On-Policy Self-Distillation for Long-Context Language Models

Xinsen Zhang, Zhenkai Ding, Tianjun Pan, Run Yang, Chun Kang, Xue Xiong, Jingnan Gu ยท 2026

Extending the effective context length of large language models (LLMs) remains a central challenge for real-world applications. While recent post-training methods have made progress in long-context scโ€ฆ

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Computer Science Preprint PDF DOI

Real-Time Cellist Postural Evaluation With On-Device Computer Vision

Paolo Wang, Michael Zhang, Shrinand Perumal, Ekaterina Tszyao, Luke Choi, Kexin Sha, Felix Lu, Paige Lorenz, Jackson P. Shields, Sivamurugan Velmurugan, Joshua Kamphuis, William P. Jiang, Gurtej Bagga, Trevor Ju, Raymond Otis Kwon, Kristen Yeon-Ji Yun, Yung-Hsiang Lu ยท 2026

Posture is a critical factor for beginning instrumental learners. Most students receive instruction only once a week, and during the intervals between lessons they have little or no feedback on their โ€ฆ

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