Big Data Security and Privacy

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Computer Science & Engineering".

Deadline for manuscript submissions: 15 November 2025 | Viewed by 523

Special Issue Editor


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Guest Editor
School of Computer Science and Technology, Xi 'an Jiaotong University, Xi’an 710049, China
Interests: big data security and privacy; edge cloud collaborative privacy protection; federated learning

Special Issue Information

Dear Colleagues,

In the age of information abundance, the security and privacy of big data have emerged as critical concerns in the digital ecosystem. The proliferation of data-driven technologies and the interconnected nature of data systems have significantly amplified the vulnerabilities associated with data breaches and privacy violations. As organizations harness the power of big data for decision making and innovation, the imperative to safeguard sensitive information and protect individual privacy has never been more pressing. To delve into these multifaceted challenges, we are excited to announce the creation of a Special Issue on “Big Data Security and Privacy”. This Special Issue seeks to explore state-of-the-art techniques, methodologies, and best practices to fortify data security and privacy in the era of big data analytics.

Topics of interests include, but are not limited to:

  1. Secure data storage and transmission in big data environments;
  2. Privacy-preserving data analytics and machine learning;
  3. Threat intelligence and risk assessment in big data systems;
  4. Blockchain technology for enhancing data security in big data applications;
  5. Compliance with data protection regulations (e.g., GDPR, CCPA) in big data projects;
  6. Anonymization and de-identification methods for big data;
  7. Differential privacy and local differential privacy for sensitive data mining;
  8. Secure multi-party computation and federated learning for preserving data privacy;
  9. Ethical considerations and transparency in big data security practices.

Dr. Xuebin Ren
Guest Editor

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Keywords

  • big data security
  • privacy protection
  • secure data processing
  • privacy-preserving data mining
  • artificial intelligence security

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Published Papers (1 paper)

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Research

22 pages, 891 KiB  
Article
Federated Learning-Based Location Similarity Model for Location Privacy Preserving Recommendation
by Liang Zhu, Jingzhe Mu, Liping Yu, Yanpei Liu, Fubao Zhu and Jingzhong Gu
Electronics 2025, 14(13), 2578; https://doi.org/10.3390/electronics14132578 - 26 Jun 2025
Viewed by 163
Abstract
With the proliferation of mobile devices and wireless communications, Location-Based Social Networks (LBSNs) have seen tremendous growth. Location recommendation, as an important service in LBSNs, can provide users with locations of interest by analyzing their complex check-in information. Currently, most location recommendations use [...] Read more.
With the proliferation of mobile devices and wireless communications, Location-Based Social Networks (LBSNs) have seen tremendous growth. Location recommendation, as an important service in LBSNs, can provide users with locations of interest by analyzing their complex check-in information. Currently, most location recommendations use centralized learning strategies, which carry the risk of user privacy breaches. As an emerging learning strategy, federated learning is widely applied in the field of location recommendation to address privacy concerns. We propose a Federated Learning-Based Location Similarity Model for Location Privacy Preserving Recommendation (FedLSM-LPR) scheme. First, the location-based similarity model is used to capture the differences between locations and make location recommendations. Second, the penalty term is added to the loss function to constrain the distance between the local model parameters and the global model parameters. Finally, we use the REPAgg method, which is based on clustering for client selection, to perform global model aggregation to address data heterogeneity issues. Extensive experiments demonstrate that the proposed FedLSM-LPR scheme not only delivers superior performance but also effectively protects the privacy of users. Full article
(This article belongs to the Special Issue Big Data Security and Privacy)
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