@InProceedings{margaris2019predictioncoverage
author="Margaris, Dionisis
and Vasilopoulos, Dionysios
and Vassilakis, Costas
and Spiliotopoulos, Dimitris",
title="Improving Collaborative Filtering's Rating Prediction Coverage in Sparse Datasets through the Introduction of Virtual Near Neighbors",
booktitle="Proceedings of the 10th IEEE International Conference on Information, Intelligence, Systems and Applications",
year="2019",
location = {Patra, Greece},
pages="1--8",
}