A comprehensive survey on privacy-preserving techniques in federated recommendation systems

M Asad, S Shaukat, E Javanmardi, J Nakazato… - Applied Sciences, 2023 - mdpi.com
Big data is a rapidly growing field, and new developments are constantly emerging to
address various challenges. One such development is the use of federated learning for …

Horizontal Federated Recommender System: A Survey

L Wang, H Zhou, Y Bao, X Yan, G Shen… - ACM Computing …, 2024 - dl.acm.org
Due to underlying privacy-sensitive information in user-item interaction data, the risk of
privacy leakage exists in the centralized-training recommender system (RecSys). To this …

Federated recommender system based on diffusion augmentation and guided denoising

Y Di, H Shi, X Wang, R Ma, Y Liu - ACM Transactions on Information …, 2025 - dl.acm.org
Sequential recommender systems often struggle with accurate personalized
recommendations due to data sparsity issues. Existing works use variational autoencoders …

Efficient federated item similarity model for privacy-preserving recommendation

X Ding, G Li, L Yuan, L Zhang, Q Rong - Information Processing & …, 2023 - Elsevier
Previous federated recommender systems are based on traditional matrix factorization,
which can improve personalized service but are vulnerable to gradient inference attacks …

Secureboost+: A high performance gradient boosting tree framework for large scale vertical federated learning

W Chen, G Ma, T Fan, Y Kang, Q Xu, Q Yang - arxiv preprint arxiv …, 2021 - arxiv.org
Gradient boosting decision tree (GBDT) is a widely used ensemble algorithm in the industry.
Its vertical federated learning version, SecureBoost, is one of the most popular algorithms …

Towards fair and personalized federated recommendation

S Wang, H Tao, J Li, X Ji, Y Gao, M Gong - Pattern Recognition, 2024 - Elsevier
Recommender systems have gained immense popularity in recent years for predicting
users' interests by learning embeddings. The majority of existing recommendation …

Not one less: Exploring interplay between user profiles and items in untargeted attacks against federated recommendation

Y Hao, X Chen, X Lyu, J Liu, Y Zhu, Z Wan… - Proceedings of the …, 2024 - dl.acm.org
Federated recommendation (FR) is a decentralised approach to training personalised
recommender systems, protecting users' privacy by avoiding data collection. Despite its …

FedOPT: federated learning-based heterogeneous resource recommendation and optimization for edge computing

ST Ahmed, V Vinoth Kumar, TR Mahesh… - Soft Computing, 2024 - Springer
Resource recommendation in edge computing relies on distributed resource alignment
across multiple servers and interconnected networks. Consequently, addressing issues …

FedPDD: A Privacy-preserving Double Distillation Framework for Cross-silo Federated Recommendation

S Wan, D Gao, H Gu, D Hu - 2023 International Joint …, 2023 - ieeexplore.ieee.org
Cross-platform recommendation aims to improve recommendation accuracy by gathering
heterogeneous features from different platforms. However, such cross-silo collaborations …

Fedsplit: One-shot federated recommendation system based on non-negative joint matrix factorization and knowledge distillation

ME Eren, LE Richards, M Bhattarai, R Yus… - arxiv preprint arxiv …, 2022 - arxiv.org
Non-negative matrix factorization (NMF) with missing-value completion is a well-known
effective Collaborative Filtering (CF) method used to provide personalized user …