@inproceedings{SACMAT08,
 author = {Qun Ni and Elisa Bertino and Jorge Lobo},
 title = {An Obligation Model Bridging Access Control Policies and Privacy Policies},
 booktitle = {SACMAT '08: Proceedings of the 13th ACM symposium on Access control models and technologies},
 year = {2008},
 location = {Estes Park, CO 80517, USA},
 publisher = {ACM Press},
 address = {New York, NY, USA},
 }
@inproceedings{ESORICS07,
 author = {Qun Ni and Dan Lin and Elisa Bertino and Jorge Lobo},
 title = {Conditional Privacy-aware role based access control},
 booktitle = {ESORICS '07: Proceedings of the 12th European Symposium On Research In Computer Security},
 year = {2007},
 isbn = {LNCS 4734},
 pages = {72--89},
 location = {Dresden, Germany},
 publisher = {Springer},
 }
@inproceedings{SACMAT07,
 author = {Qun Ni and Alberto Trombetta and Elisa Bertino and Jorge Lobo},
 title = {Privacy-aware role based access control},
 booktitle = {SACMAT '07: Proceedings of the 12th ACM symposium on Access control models and technologies},
 year = {2007},
 isbn = {978-1-59593-745-2},
 pages = {41--50},
 location = {Sophia Antipolis, France},
 doi = {http://doi.acm.org/10.1145/1266840.1266848},
 publisher = {ACM Press},
 address = {New York, NY, USA},
 }
@inproceedings{ITCC05,
 author = {Qun Ni and Morris Sloman},
 title = {An Ontology-enabled Service Oriented Architecture for Pervasive Computing},
 booktitle = {ITCC '05: Proceedings of the International Conference on Information Technology: Coding and Computing},
 year = {2005},
 isbn = {0-7695-2315-3},
 pages = {797--798},
 doi = {http://dx.doi.org/10.1109/ITCC.2005.84},
 publisher = {IEEE Computer Society},
 address = {Washington, DC, USA},
 }