@InProceedings {adppsv-w3c2009,
    author = {C.A. Ardagna and S. {De Capitani di Vimercati} and E. Pedrini and S. Paraboschi and P. Samarati and M. Verdicchio},
    booktitle = {Proc. of the W3C Workshop on Access Control Application Scenarios},
    title = {Extending XACML for Open Web-based Scenarios},
    address = {Luxembourg},
    month = {November},
    day = {17-18},
    year = {2009}
}