@InCollection {AC.PrimeLife2011,
    author = {{C.A.} Ardagna and S. {De Capitani di Vimercati} and G. Neven and S. Paraboschi and E. Pedrini and F.-S. Preiss and P. Samarati and M. Verdicchio},
    editor = {J. Camenisch and S. Fischer-Huebner and K. Rannenberg},
    booktitle = {Privacy and Identity Management for Life},
    title = {Advances in Access Control Policies},
    publisher = {Springer},
    pages = {327--341},
    year = {2011}
}