@conference{kyriakidi2017achieving,
author = "Marialena Kyriakidi and Kostas Stefanidis and Ιωαννίδης, Γιάννης",
booktitle = "Proceedings of the ExploreDB'17",
organization = "ACM",
pages = "4",
title = "{O}n achieving diversity in recommender systems ",
year = "2017",
}