The MATILDA multimedia authoring system has been developedto addressissuesrelated to authoringprocessand information management and representation. This paper presents our initial...
This paper presents the results of a survey of requirements for attribute aggregation in authorisation systems, gathered from an international community of security professionals....
In distributed environments, statements from a number of principals, besides the central trusted party, may influence the derivations of authorization decisions. However, existin...
Behavior authoring for computer games involves writing behaviors in a programming language and then iteratively refining them by detecting issues with them. The main bottlenecks a...
We present an authorization logic that permits reasoning with explicit time. Following a proof-theoretic approach, we study the meta-theory of the logic, including cut elimination...