@InCollection {ADS2011.PRIMEbook,
    author = {C.A. Ardagna and S. {De Capitani di Vimercati} and P. Samarati},
    editor = {J. Camenisch and R. Leenes and D. Sommer},
    booktitle = {Digital Privacy: PRIME - Privacy and Identity Management for Europe},
    title = {Privacy Models and Languages: Access Control and Data Handling Policies},
    publisher = {Springer},
    volume = {6545},
    year = {2011}
}