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A logical framework for reasoning about delegation policies in workflow management systems

Identifieur interne : 000717 ( Hal/Corpus ); précédent : 000716; suivant : 000718

A logical framework for reasoning about delegation policies in workflow management systems

Auteurs : Khaled Gaaloul ; Erik Proper ; Ehtesham Zahoor ; François Charoy ; Claude Godart

Source :

RBID : Hal:hal-00677854

English descriptors

Abstract

Task delegation presents one of the business process security leitmotifs. It defines a mechanism that bridges the gap between workflow and access control systems. Delegation completion and authorisation enforcement are specified under specific constraints so-called events. In this article, we aim to reason about delegation events to model task delegation and to specify delegation policies using a logical framework. To that end, we propose an event-based task delegation model to control the delegation execution. We then identify relevant events responsible for the dynamic enforcement of delegation policies. Further, we define a task-oriented access control model to specify delegation constraints into authorisation policies. Finally, we propose a technique to automate the delegation policies integration. Using event calculus, we develop a reasoning tool to control the delegation execution and to increase the compliance of all delegation changes in the existing policy of the workflow.

Url:
DOI: 10.1504/IJICS.2011.044825

Links to Exploration step

Hal:hal-00677854

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<div type="abstract" xml:lang="en">Task delegation presents one of the business process security leitmotifs. It defines a mechanism that bridges the gap between workflow and access control systems. Delegation completion and authorisation enforcement are specified under specific constraints so-called events. In this article, we aim to reason about delegation events to model task delegation and to specify delegation policies using a logical framework. To that end, we propose an event-based task delegation model to control the delegation execution. We then identify relevant events responsible for the dynamic enforcement of delegation policies. Further, we define a task-oriented access control model to specify delegation constraints into authorisation policies. Finally, we propose a technique to automate the delegation policies integration. Using event calculus, we develop a reasoning tool to control the delegation execution and to increase the compliance of all delegation changes in the existing policy of the workflow.</div>
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