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Adaptive Hybrid Privacy Preserving Machine Learning Across Heterogeneous Domains
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 187 - Number 119 |
| Year of Publication: 2026 |
| Authors: Loubna Ali, Noufal Issa, Shkelqim Hajrulla, Taylan Demir |
10.5120/ijcaa1944f95a330
|
Loubna Ali, Noufal Issa, Shkelqim Hajrulla, Taylan Demir . Adaptive Hybrid Privacy Preserving Machine Learning Across Heterogeneous Domains. International Journal of Computer Applications. 187, 119 ( Jun 2026), 31-41. DOI=10.5120/ijcaa1944f95a330
Abstract
The rapid adoption of machine learning across diverse application domains has intensified concerns regarding data privacy. Although numerous privacy-preserving techniques have been proposed, their effectiveness is typically evaluated within isolated domains, which limits the understanding of their generalizability. This paper investigates the domain-dependent behavior of privacy-preserving machine learning through a comprehensive cross-domain empirical study. A hybrid privacy framework is implemented that combines suppression, generalization, and perturbation techniques to protect sensitive information while maintaining data utility. The framework is evaluated across five heterogeneous domains, namely healthcare, finance, social media, cybersecurity, and Internet of Things (IoT) environments, spanning six real-world datasets. The experimental results demonstrate that the effectiveness of privacy-preserving mechanisms varies significantly across domains. Structured and network-based datasets, such as financial and cybersecurity data, maintain high predictive performance under privacy constraints, whereas text-based social data experiences noticeable performance degradation. A complementary trade-off analysis, expressed through utility-retention and a privacy–utility efficiency measure, further quantifies these differences. The findings highlight the limitations of one-size-fits-all privacy solutions and emphasize the need for adaptive, domain-aware privacy strategies in real-world machine learning applications.
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