@InProceedings {ddps.ifip00,
    author = {E. Damiani and S. {De Capitani di Vimercati} and S. Paraboschi and P. Samarati},
    booktitle = {Proc. of the 14th Annual IFIP WG 11.3 Working Conference on Database Security},
    title = {{XML} Access Control Systems: A Component-Based Approach},
    address = {Schoorl, The Netherlands},
    month = {August},
    year = {2000}
}