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» Dynamic Access Control in a Concurrent Object Calculus
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ASM
2000
ASM
14 years 28 days ago
Modeling the Dynamics of UML State Machines
We define the dynamic semantics of UML State Machines which integrate statecharts with the UML object model. The use of ASMs allows us (a) to rigorously model the event driven run...
Egon Börger, Alessandra Cavarra, Elvinia Ricc...
CAISE
2010
Springer
13 years 8 months ago
Dynamic Authorisation Policies for Event-Based Task Delegation
Task delegation presents one of the business process security leitmotifs. It defines a mechanism that bridges the gap between both workflow and access control systems. There are tw...
Khaled Gaaloul, Ehtesham Zahoor, François C...
ICTCS
2005
Springer
14 years 2 months ago
Checking Risky Events Is Enough for Local Policies
Abstract. An extension of the λ-calculus is proposed to study historybased access control. It allows for parametrized security policies with a possibly nested, local scope. To gov...
Massimo Bartoletti, Pierpaolo Degano, Gian Luigi F...
OOPSLA
2004
Springer
14 years 1 months ago
Transparent proxies for java futures
A proxy object is a surrogate or placeholder that controls access to another target object. Proxies can be used to support distributed programming, lazy or parallel evaluation, ac...
Polyvios Pratikakis, Jaime Spacco, Michael W. Hick...
TGC
2005
Springer
14 years 2 months ago
Types for Security in a Mobile World
Our society is increasingly moving towards richer forms of information exchange where mobility of processes and devices plays a prominent role. This tendency has prompted the acade...
Adriana B. Compagnoni, Elsa L. Gunter