@inproceedings{yom2013measuring,
  title={Measuring inter-site engagement},
  author={Yom-Tov, Elad and Lalmas, Mounia and Baeza-Yates, Ricardo and Dupret, Georges and Lehmann, Jos and Donmez, Pinar},
  booktitle={Proceedings of the IEEE International Conference on Big Data},
  pages={228--236},
  year={2013},
  organization={IEEE}
}