@InProceedings{	  gay.hu.ea:relationship-based,
  author	= {Richard Gay and Jinwei Hu and Heiko Mantel and Sogol
		  Mazaheri},
  title		= {Relationship-Based Access Control for Resharing in
		  Decentralized Online Social Networks},
  booktitle	= {Proceedings of the 10th International Symposium on
		  Foundations & Practice of Security (FPS)},
  year		= 2017,
  pages		= {18-34},
  pdf		= {https://www.mais.informatik.tu-darmstadt.de/WebBib/papers/2017/2017-ReBAC-Resharing-DecentralizedOnlineSocialNetworks.pdf}
}