@misc{schwarte2012experience,
  title={An Experience Report of Large Scale Federations},
  author={Andreas Schwarte and Peter Haase and Michael Schmidt and Katja Hose and Ralf Schenkel},
  year={2012},
  eprint={1210.5403},
  archivePrefix={arXiv},
  primaryClass={cs.DB},
  url={https://arxiv.org/abs/1210.5403}
}