@InCollection {acds.mplas08,
    author = {C.A. Ardagna and M. Cremonini and S.
{De Capitani di Vimercati} and P. Samarati},
    editor = {L.T. Yang and A.B. Waluyo and J. Ma and L. Tan and B. Srinivasan},
    booktitle = {Mobile Intelligence: Mobile Computing and Computational Intelligence},
    title = {Managing Privacy in Location-based Access Control Systems},
    publisher = {John Wiley & Sons, Inc.},
    year = {2008}
}