@InProceedings {cdds-xml2003,
    author = {M. Cremonini and E. Damiani and S. {De Capitani di Vimercati} and P. Samarati},
    booktitle = {Proc. of the ACM Workshop on XML Security},
    title = {An {XML}-based Approach to Combine Firewalls and Web Services Security Specifications},
    address = {Washington, DC, USA},
    month = {October},
    year = {2003}
}