Computational Intelligence in Addressing Data Heterogeneity

A special issue of Mathematics (ISSN 2227-7390). This special issue belongs to the section "E: Applied Mathematics".

Deadline for manuscript submissions: 31 May 2025 | Viewed by 2337

Special Issue Editor


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Guest Editor
Department of Industrial and Systems Engineering, Bagley College of Engineering, Mississippi State University, Mississippi State, MS 39762, USA
Interests: deep neural networks; interpretable machine learning; domain adaptation; nonlinear programming; computer-aided diagnosis; medical image analysis; neurological disorder diagnosis; precision agriculture
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Special Issue Information

Dear Colleagues,

Data heterogeneity, characterized by the presence of diverse data sources with varying formats, structures, and semantics, has become a pervasive challenge in the era of big data. The issue focuses on the theoretical and computational challenges and advancements in leveraging computational intelligence techniques to tackle the complexities posed by heterogeneous data sources. This collection encompasses a diverse range of methodologies, algorithms, theories, applications, and case studies that highlight the role of computational intelligence in harmonizing and deriving valuable insights from heterogeneous data sources.

Topics include, but are not limited to:

  • Deep learning;
  • Data mining;
  • Statistical learning;
  • Robust machine learning;
  • Decision support;
  • Robust optimization;
  • Curse of dimensionality;
  • Interpretable machine learning;
  • Uncertainty quantification;
  • Federated learning;
  • Computer vision and image processing;
  • Anomaly detection;
  • Applications with heterogeneous data.

Dr. Haifeng Wang
Guest Editor

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Keywords

  • robust machine learning
  • robust optimization
  • curse of dimensionality
  • uncertainty quantification

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Published Papers (2 papers)

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Research

19 pages, 3076 KiB  
Article
Federated Learning for Heterogeneous Multi-Site Crop Disease Diagnosis
by Wesley Chorney, Abdur Rahman, Yibin Wang, Haifeng Wang and Zhaohua Peng
Mathematics 2025, 13(9), 1401; https://doi.org/10.3390/math13091401 - 25 Apr 2025
Viewed by 361
Abstract
Crop diseases can significantly impact crop growth and production, often leading to a severe economic burden for rice farmers. These diseases can spread rapidly over large areas, making it challenging for farmers to detect and manage them effectively and promptly. Automated methods for [...] Read more.
Crop diseases can significantly impact crop growth and production, often leading to a severe economic burden for rice farmers. These diseases can spread rapidly over large areas, making it challenging for farmers to detect and manage them effectively and promptly. Automated methods for disease classification emerge as promising approaches for detecting and managing these diseases, provided there are sufficient data. Sharing data among farms could facilitate the development of a strong classifier, but it must be executed properly to prevent leaking sensitive information. In this study, we demonstrate how farms with vastly different datasets can collaborate through a federated learning model. The objective of this collaboration is to create a classifier that every farm can use to detect and manage rice crop diseases by leveraging data sharing while safeguarding data privacy. We underscore the significance of data sharing and model architecture in developing a robust centralized classifier, which can effectively classify multiple diseases (and a healthy state) with 83.24% accuracy, 84.24% precision, 83.24% recall, and an 82.28% F1 score. In addition, we demonstrate the importance of model design on classification outcomes. The proposed collaborative learning method not only preserves data privacy but also offers a cost-effective and communication-efficient lightweight solution for rice crop disease detection. Furthermore, this collaborative strategy can be extended to other crop disease classification tasks. Full article
(This article belongs to the Special Issue Computational Intelligence in Addressing Data Heterogeneity)
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18 pages, 15710 KiB  
Article
Unveiling Fall Triggers in Older Adults: A Machine Learning Graphical Model Analysis
by Tho Nguyen, Ladda Thiamwong, Qian Lou and Rui Xie
Mathematics 2024, 12(9), 1271; https://doi.org/10.3390/math12091271 - 23 Apr 2024
Cited by 2 | Viewed by 1414
Abstract
While existing research has identified diverse fall risk factors in adults aged 60 and older across various areas, comprehensively examining the interrelationships between all factors can enhance our knowledge of complex mechanisms and ultimately prevent falls. This study employs a novel approach—a mixed [...] Read more.
While existing research has identified diverse fall risk factors in adults aged 60 and older across various areas, comprehensively examining the interrelationships between all factors can enhance our knowledge of complex mechanisms and ultimately prevent falls. This study employs a novel approach—a mixed undirected graphical model (MUGM)—to unravel the interplay between sociodemographics, mental well-being, body composition, self-assessed and performance-based fall risk assessments, and physical activity patterns. Using a parameterized joint probability density, MUGMs specify the higher-order dependence structure and reveals the underlying graphical structure of heterogeneous variables. The MUGM consisting of mixed types of variables (continuous and categorical) has versatile applications that provide innovative and practical insights, as it is equipped to transcend the limitations of traditional correlation analysis and uncover sophisticated interactions within a high-dimensional data set. Our study included 120 elders from central Florida whose 37 fall risk factors were analyzed using an MUGM. Among the identified features, 34 exhibited pairwise relationships, while COVID-19-related factors and housing composition remained conditionally independent from all others. The results from our study serve as a foundational exploration, and future research investigating the longitudinal aspects of these features plays a pivotal role in enhancing our knowledge of the dynamics contributing to fall prevention in this population. Full article
(This article belongs to the Special Issue Computational Intelligence in Addressing Data Heterogeneity)
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