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Feature selection in high-dimensional genomic data ($d \gg n$) demands methods that are simultaneously accurate, sparse, and stable. Existing approaches either require manual threshold specification (mRMR, stability selection), produce…

Machine Learning · Computer Science 2026-05-06 A. Yermekov , D. A. Herrera-Martí

This paper investigates an optimal integration of deep learning with financial models for robust asset price forecasting. Specifically, we developed a hybrid framework combining a Long Short-Term Memory (LSTM) network with the Merton-L\'evy…

Statistical Finance · Quantitative Finance 2025-12-10 Mohammed Alruqimi , Luca Di Persio

Coarse resolution, imperfect parameterizations, and uncertain initial states and forcings limit Earth-system model (ESM) predictions. Traditional bias correction via data assimilation improves constrained simulations but offers limited…

Machine Learning · Computer Science 2025-12-04 Aniruddha Bora , Shixuan Zhang , Khemraj Shukla , Bryce Harrop , George Em. Karniadakis , L. Ruby Leung

Post-training via Supervised Fine-Tuning (SFT) and Reinforcement Learning (RL) is crucial for enhancing reasoning in Multimodal Large Language Models (MLLMs), yet existing paradigms often reach a performance bottleneck due to the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zehao Wang , Yihan Zeng , Zidong Gong , Yuanfan Guo , Feng Zhu , Hongzhi Zhang , Wei Zhang , Wangmeng Zuo

This paper presents a comprehensive study on stock price prediction, leveragingadvanced machine learning (ML) and deep learning (DL) techniques to improve financial forecasting accuracy. The research evaluates the performance of various…

Statistical Finance · Quantitative Finance 2025-02-25 Daksh Dave , Gauransh Sawhney , Vikhyat Chauhan

How objective and unbiased are we while making decisions? This work investigates cognitive bias identification in high-stake decision making process by human experts, questioning its effectiveness in real-world settings, such as candidates…

Computation and Language · Computer Science 2024-11-15 Junhua Liu , Kwan Hui Lim , Roy Ka-Wei Lee

Deep learning techniques have recently shown promise in the field of anomaly detection, providing a flexible and effective method of modelling systems in comparison to traditional statistical modelling and signal processing-based methods.…

Machine Learning · Computer Science 2024-10-28 Ayman Elhalwagy , Tatiana Kalganova

Decision-making under changing conditions remains a fundamental challenge in many real-world systems. Existing approaches often fail to generalize across shifting regimes and exhibit unstable behavior under uncertainty. This raises the…

Multiagent Systems · Computer Science 2026-04-29 Feliks Bańka , Jarosław A. Chudziak

Non-stationary environments require agents to revise previously learned action values when contingencies change. We treat large language models (LLMs) as sequential decision policies in a two-option probabilistic reversal-learning task with…

Artificial Intelligence · Computer Science 2026-04-07 Haomiaomiao Wang , Tomás E Ward , Lili Zhang

Data Drift is the phenomenon where the generating model behind the data changes over time. Due to data drift, any model built on the past training data becomes less relevant and inaccurate over time. Thus, detecting and controlling for data…

Machine Learning · Computer Science 2025-04-29 Subhadip Bandyopadhyay , Joy Bose , Sujoy Roy Chowdhury

Heart failure (HF) discharge planning depends on identifying patients at risk of deterioration or death, yet accurate prediction from routinely collected electronic health records (EHRs) remains challenging. We developed and validated…

Longitudinal passive sensing enables continuous health prediction, yet models often fail under cross-dataset distribution shifts. Traditional ML overfits cohort-specific artifacts, while Large Language Models (LLMs) struggle to reason…

Machine Learning · Computer Science 2026-05-21 Yuang Fan , Lilin Xu , Millie Wu , Jingping Nie , Qingyu Chen , Yuzhe Yang , Zhuo Zhang , Xin Liu , Subigya Nepal , Xiaofan Jiang , Xuhai "Orson" Xu

Emerging computation-intensive applications impose stringent latency requirements on resource-constrained mobile devices. Mobile Edge Computing (MEC) addresses this challenge through task offloading. However, designing effective policies…

Machine Learning · Computer Science 2026-04-09 Ning Yang , Chuangxin Cheng , Haijun Zhang

Understanding how learning algorithms shape the computational strategies that emerge in neural networks remains a fundamental challenge in machine intelligence. While network architectures receive extensive attention, the role of the…

A comparative analysis of deep learning models and traditional statistical methods for stock price prediction uses data from the Nigerian stock exchange. Historical data, including daily prices and trading volumes, are employed to implement…

Statistical Finance · Quantitative Finance 2024-10-11 Opeyemi Sheu Alamu , Md Kamrul Siam

Cardiovascular disease (CVD) remains the foremost cause of mortality worldwide, underscoring the urgent need for intelligent and data-driven diagnostic tools. Traditional predictive models often struggle to generalize across heterogeneous…

Artificial Intelligence · Computer Science 2026-01-27 Rajan Das Gupta , Xiaobin Wu , Xun Liu , Jiaqi He

For the assessment of the financial soundness of a pension fund, it is necessary to take into account mortality forecasting so that longevity risk is consistently incorporated into future cash flows. In this article, we employ machine…

Machine Learning · Statistics 2025-04-09 Eduardo Fraga L. de Melo , Helton Graziadei , Rodrigo Targino

Distribution feeder long-term load forecast (LTLF) is a critical task many electric utility companies perform on an annual basis. The goal of this task is to forecast the annual load of distribution feeders. The previous top-down and…

Machine Learning · Computer Science 2020-07-02 Ming Dong , L. S. Grumbach

Financial market prediction is a challenging application of machine learning, where even small improvements in directional accuracy can yield substantial value. Most models struggle to exceed 55--57\% accuracy due to high noise,…

Machine Learning · Computer Science 2025-12-19 Abraham Itzhak Weinberg

This work presents a novel methodology for analysis and control of nonlinear fluid systems using neural networks. The approach is demonstrated on four different study cases being the Lorenz system, a modified version of the…

Fluid Dynamics · Physics 2023-08-28 Tarcísio Déda , William Wolf , Scott Dawson
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