Privacy-preserving techniques in recommender systems: state-of-the-art review and future research agenda

D Pramod - Data Technologies and Applications, 2022 - emerald.com
Purpose This study explores privacy challenges in recommender systems (RSs) and how
they have leveraged privacy-preserving technology for risk mitigation. The study also …

Experimenting with agent-based model simulation tools

A Antelmi, G Cordasco, G D'Ambrosio, D De Vinco… - Applied Sciences, 2022 - mdpi.com
Agent-based models (ABMs) are one of the most effective and successful methods for
analyzing real-world complex systems by investigating how modeling interactions on the …

A survey on trustworthy recommender systems

Y Ge, S Liu, Z Fu, J Tan, Z Li, S Xu, Y Li, Y Xian… - ACM Transactions on …, 2022 - dl.acm.org
Recommender systems (RS), serving at the forefront of Human-centered AI, are widely
deployed in almost every corner of the web and facilitate the human decision-making …

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 …

Recent advances and future challenges in federated recommender systems

M Harasic, FS Keese, D Mattern, A Paschke - International Journal of Data …, 2024 - Springer
Recommender systems are an integral part of modern-day user experience. They
understand their preferences and support them in discovering meaningful content by …

Discrete Federated Multi-behavior Recommendation for Privacy-Preserving Heterogeneous One-Class Collaborative Filtering

E Yang, W Pan, Q Yang, Z Ming - ACM Transactions on Information …, 2024 - dl.acm.org
Recently, federated recommendation has become a research hotspot mainly because of
users' awareness of privacy in data. As a recent and important recommendation problem, in …

Privacy-preserved and Responsible Recommenders: From Conventional Defense to Federated Learning and Blockchain

W Ali, X Zhou, J Shao - ACM Computing Surveys, 2024 - dl.acm.org
Recommender systems (RS) play an integral role in many online platforms. Exponential
growth and potential commercial interests are raising significant concerns around privacy …

Privacy-preserving graph convolution network for federated item recommendation

P Hu, Z Lin, W Pan, Q Yang, X Peng, Z Ming - Artificial Intelligence, 2023 - Elsevier
In traditional recommender systems, we often build models based on a centralized storage
of user data, which however will lead to user privacy concerns and risks. In this paper, we …

HN3S: A federated autoencoder framework for collaborative filtering via hybrid negative sampling and secret sharing

L Zhang, G Li, L Yuan, X Ding, Q Rong - Information Processing & …, 2024 - Elsevier
Federated recommender systems can serve users with suitable item recommendations
while preserving their privacy, but most current works cannot serve non-participant users …

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 …