@InProceedings {addfs-icwe2005,
    author = {{C.A.} Ardagna and E. Damiani and S. {De Capitani di Vimercati} and C. Fugazza and P. Samarati},
    booktitle = {Proc. of the 5th International Conference on Web Engineering},
    title = {Offline Expansion of {XACML} Policies Based on {P3P} Metadata},
    address = {Sydney, Australia},
    month = {July},
    day = {25-29},
    year = {2005}
}