@article{gacovski2012prediction,
  title={Prediction of Video materials offered to a user in a Video-on-demand system}
  author={Gacovski, Zoran and Ilievski, Gjorgji and Arsenovski, Sime}
  journal={ICT Innovations 2012, Web Proceedings ISSN 1857-7288}
  pages={331--340}
  year={2012}
}