In various settings, such as when customers use the same passwords at several independent web sites, security decisions by one organization may have a significant impact on the s...
Reiko Ann Miura-Ko, Benjamin Yolken, John Mitchell...
A coalition provides a virtual space across a network that allows its members to interact in a transparent manner. Coalitions may be formed for a variety of purposes. These range ...
This paper proposes a D-algebra to compose decisions from multiple access control policies. Compared to other algebrabased approaches aimed at policy composition, D-algebra is the...
Abstract. The problem of perfectly secure message transmission concerns two synchronized non-faulty processors sender (S) and receiver (R) that are connected by a synchronous netwo...
We present findings from a field study of Wayve, a situated messaging device for the home that incorporates handwriting and photography. Wayve was used by 24 households (some of w...