XACML is being increasingly adopted in large enterprise systems for specifying access control policies. However, the efficient analysis and integration of multiple policies in suc...
A new model for representing temporal access control policies is introduced. In this model, temporal authorizations are represented by time attributes associated with subjects and...
Francis B. Afinidad, Timothy E. Levin, Cynthia E. ...
Abstract. We present a method of specifying standard imperative program optimisations as a rewrite system. To achieve this we have extended the idea of matching sub-terms in expres...
We continue investigation of languages, accepted by timed automata of Alur and Dill. In [ACM97] timed regular expressions equivalent to timed automata were introduced. Here we intr...
We present a tool, called CAsCaDE, to check assertions in C programs as part of a multi-stage verification strategy. CAsCaDE takes as input a C program and a control file (the outp...