@inproceedings{said2013month,
  title={A month in the life of a production news recommender system},
  author={Said, Alan and Lin, Jimmy and Bellog{\'\i}n, Alejandro and de Vries, Arjen},
  booktitle={Proceedings of the 2013 workshop on Living labs for information retrieval evaluation},
  pages={7--10},
  year={2013},
  organization={ACM}
}

@inproceedings{esiyok2014users,
  title={Users' reading habits in online news portals},
  author={Esiyok, Cagdas and Kille, Benjamin and Jain, Brijnesh-Johannes and Hopfgartner, Frank and Albayrak, Sahin},
  booktitle={Proceedings of the 5th Information Interaction in Context Symposium},
  pages={263--266},
  year={2014},
  organization={ACM}
}


@inproceedings{nguyen2014exploring,
  title={Exploring the filter bubble: the effect of using recommender systems on content diversity},
  author={Nguyen, Tien T and Hui, Pik-Mai and Harper, F Maxwell and Terveen, Loren and Konstan, Joseph A},
  booktitle={Proceedings of the 23rd international conference on World wide web},
  pages={677--686},
  year={2014},
  organization={ACM}
}
@article{kille2015overview,
  title={Overview of CLEF NewsREEL 2015: News Recommendation Evaluation Lab},
  author={Kille, Benjamin and Lommatzsch, Andreas and Turrin, Roberto and Ser{\'e}ny, Andr{\'a}s and Larson, Martha and Brodt, Torben and Seiler, Jonas and Hopfgartner, Frank},
  year={2015}
}