@inproceedings{HBMM11,
  author    = {Patrick Hein and Debmalya Biswas and Leonardo A. Martucci and Max M{\"u}hlh{\"a}user},
  title     = {Conflict Detection and Lifecycle Management for Access Control in Publish/Subscribe Systems},
  pages     = {104--111},
  ee        = {http://doi.ieeecomputersociety.org/10.1109/HASE.2011.50},
  crossref  = {HASE2011}
}

@proceedings{HASE2011,
  booktitle = {Proceedings of the 13$^{th}$ IEEE International Symposium on High-Assurance Systems Engineering (HASE 2011)},
  title     = {Proceedings of the 13$^{th}$ IEEE International Symposium on High-Assurance Systems Engineering (HASE 2011)},
  editor    = {Taghi M. Khoshgoftaar},
  location	= {Boca Raton, FL, USA},
  month			= {10--12 Nov},
  year			= {2011},
  publisher = {IEEE Computer Society},
  isbn      = {978-1-4673-0107-7},
  ee        = {http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6113112}
}