The advantages that Internet as a new technology offers to business and individuals can't be fully exploited without taking under consideration a number of social issues that...
In this paper, we introduce the concept of "user policies" and its applications to the browsing of HTML documents. The objective of policies is to specify user preferenc...
In many systems, items of information have owners associated with them. An owner of an item of information may want the system to enforce a policy that restricts use of that infor...
This paper presents an analysis of mixes and dummy traffic policies, which are building blocks of anonymous services. The goal of the paper is to bring together all the issues rela...
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...