@InProceedings {ddfs-icwe2006,
author = {E. Damiani and S. {De Capitani di Vimercati} and C. Fugazza and P. Samarati},
booktitle = {Proc. of the International Conference on Web Engineering},
title = {Modality Conflicts in Semantics-Aware Access Control},
address = {Menlo Park, California, USA},
month = {July},
day = {12-14},
year = {2006}
}