@ARTICLE{Belal2022a, author = {Yacine Belal and Aur\'elien Bellet and Ben Mokhtar, Sonia and Vlad Nitu}, title = {PEPPER: Empowering User-Centric Recommender Systems over Gossip Learning}, journal = {Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies}, volume = {6}, number = {3}, articleno = {40}, numpages = {31}, year = {2022} }