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Panel data analysis is an important topic in statistics and econometrics. Traditionally, in panel data analysis, all individuals are assumed to share the same unknown parameters, e.g. the same coefficients of covariates when the linear…

Statistics Theory · Mathematics 2017-06-09 Heng Lian , Xinghao Qiao , Wenyang Zhang

This note introduces FRESH (Fusion of Recent Evidence and Subject Histories), a method for incorporating population-level summary results -- published clinical trials, registry summaries, prior natural-history studies, and peer-reviewed…

In the era of big data applications, Federated Graph Learning (FGL) has emerged as a prominent solution that reconcile the tradeoff between optimizing the collective intelligence between decentralized datasets holders and preserving…

Machine Learning · Computer Science 2025-07-23 Zhengyu Wu , Xunkai Li , Yinlin Zhu , Zekai Chen , Guochen Yan , Yanyu Yan , Hao Zhang , Yuming Ai , Xinmo Jin , Rong-Hua Li , Guoren Wang

We establish a broad methodological foundation for mixed-integer optimization with learned constraints. We propose an end-to-end pipeline for data-driven decision making in which constraints and objectives are directly learned from data…

Optimization and Control · Mathematics 2023-10-30 Donato Maragno , Holly Wiberg , Dimitris Bertsimas , S. Ilker Birbil , Dick den Hertog , Adejuyigbe Fajemisin

Despite the great advance of Multimodal Large Language Models (MLLMs) in both instruction dataset building and benchmarking, the independence of training and evaluation makes current MLLMs hard to further improve their capability under the…

Machine Learning · Computer Science 2023-09-12 Zhiyuan Zhao , Linke Ouyang , Bin Wang , Siyuan Huang , Pan Zhang , Xiaoyi Dong , Jiaqi Wang , Conghui He

In this work, we study the problem pertaining to personalized classification of subclinical atherosclerosis by developing a hierarchical graph neural network framework to leverage two characteristic modalities of a patient: clinical…

Machine Learning · Computer Science 2025-09-15 Irsyad Adam , Steven Swee , Erika Yilin , Ethan Ji , William Speier , Dean Wang , Alex Bui , Wei Wang , Karol Watson , Peipei Ping

There is a growing need for flexible general frameworks that integrate individual-level data with external summary information for improved statistical inference. External information relevant for a risk prediction model may come in…

Methodology · Statistics 2023-04-11 Tian Gu , Jeremy M. G. Taylor , Bhramar Mukherjee

The amount of data in the world is expanding rapidly. Every day, huge amounts of data are created by scientific experiments, companies, and end users' activities. These large data sets have been labeled as "Big Data", and their storage,…

Databases · Computer Science 2020-04-29 Mahdi Bohlouli , Frank Schulz , Lefteris Angelis , David Pahor , Ivona Brandic , David Atlan , Rosemary Tate

Collaborative graph analysis across multiple institutions is becoming increasingly popular. Realistic examples include social network analysis across various social platforms, financial transaction analysis across multiple banks, and…

Cryptography and Security · Computer Science 2024-06-03 Shang Liu , Yang Cao , Takao Murakami , Weiran Liu , Seng Pei Liew , Tsubasa Takahashi , Jinfei Liu , Masatoshi Yoshikawa

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 evaluation of seven recent models from…

Machine Learning · Computer Science 2026-04-20 Jean-Baptiste Escudié , Benjamin Barnes , Stefan Meisegeier , Klaus Kraywinkel , Fabian Prasser , Nils Körber

Semantic segmentation of medical images is pivotal in applications like disease diagnosis and treatment planning. While deep learning has excelled in automating this task, a major hurdle is the need for numerous annotated segmentation…

Image and Video Processing · Electrical Eng. & Systems 2024-09-02 Li Zhang , Basu Jindal , Ahmed Alaa , Robert Weinreb , David Wilson , Eran Segal , James Zou , Pengtao Xie

At this moment, databanks worldwide contain brain images of previously unimaginable numbers. Combined with developments in data science, these massive data provide the potential to better understand the genetic underpinnings of brain…

Machine Learning · Statistics 2025-01-30 Santiago Silva , Boris Gutman , Eduardo Romero , Paul M Thompson , Andre Altmann , Marco Lorenzi

This study presents a hierarchical mining framework for high-dimensional imbalanced data, leveraging a depth graph model to address the inherent performance limitations of conventional approaches in handling complex, high-dimensional data…

Machine Learning · Computer Science 2025-02-07 Yijiashun Qi , Quanchao Lu , Shiyu Dou , Xiaoxuan Sun , Muqing Li , Yankaiqi Li

The healthcare sector is an important pillar of every community, numerous research studies have been carried out in this context to optimize medical processes and improve care quality and facilitate patient management. In this article we…

Machine Learning · Computer Science 2023-04-04 Chaimae Taoussi , Imad Hafidi , Abdelmoutalib Metrane

Ensembling neural networks is a long-standing technique for improving the generalization error of neural networks by combining networks with orthogonal properties via a committee decision. We show that this technique is an ideal fit for…

Machine Learning · Computer Science 2023-06-12 Shigehiko Schamoni , Michael Hagmann , Stefan Riezler

Fine-tuning for large language models (LLMs) typically requires substantial amounts of high-quality supervised data, which is both costly and labor-intensive to acquire. While synthetic data generation has emerged as a promising solution,…

Computation and Language · Computer Science 2025-05-28 Zihong Chen , Wanli Jiang , Jinzhe Li , Zhonghang Yuan , Huanjun Kong , Wanli Ouyang , Nanqing Dong

Many data-rich industries are interested in the efficient discovery and modelling of structures underlying large data sets, as it allows for the fast triage and dimension reduction of large volumes of data embedded in high dimensional…

Algebraic Topology · Mathematics 2019-09-30 Yossi Bokor , Daniel Grixti-Cheng , Markus Hegland , Stephen Roberts , Katharine Turner

Existing deep architectures cannot operate on very large signals such as megapixel images due to computational and memory constraints. To tackle this limitation, we propose a fully differentiable end-to-end trainable model that samples and…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Angelos Katharopoulos , François Fleuret

Precise and efficient automated identification of Gastrointestinal (GI) tract diseases can help doctors treat more patients and improve the rate of disease detection and identification. Currently, automatic analysis of diseases in the GI…

Realizing when a model is right for a wrong reason is not trivial and requires a significant effort by model developers. In some cases an input salience method, which highlights the most important parts of the input, may reveal problematic…

Computation and Language · Computer Science 2023-01-12 Sebastian Ebert , Alice Shoshana Jakobovits , Katja Filippova