In a reputation-based trust-management system, agents maintain information about the past behaviour of other agents. This information is used to guide future trust-based decisions...
An important implementation decision in polymorphically typed functional programming languages is whether to represent data in boxed or unboxed form and when to transform them fro...
This paper presents a philosophy underlying CS-1 programming projects, and illustrates this philosophy with a concrete example. Integral to the philosophy is the use of Ada packag...
The classic Generalized Sequential Patterns (GSP) algorithm returns all frequent sequences present in a database. However, usually a few ones are interesting from a user's po...
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...