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An access control model for Semantic Web should take the semantic relationships among the entities, defined in the abstract conceptual level (i.e., ontology level), into account. Authorization and policy specification based on a logical model let us infer implicit security policies from the explicit ones based on the defined semantic relationships in the domains of subjects, objects, and actions....
A self-stabilizing system is one that converges to a legitimate state from any arbitrary state. Such an arbitrary state may be reachable due to wrong initialization or the occurrence of transient faults. Average recovery time of self-stabilizing systems is a key factor in evaluating their performance, especially in the domain of network and robotic protocols. This paper introduces a groundbreaking...
While there may be general agreement on what it means for a formal method to be usable (e.g., ease of modelling, automated and scalable analysis), there is no consensus in the software-engineering or formal-methods communities on what strategies lead to more usable formalisms. In this paper, we aim to raise discussion around such strategies by proposing fourteen concrete recommendations for achieving...
Model Driven Engineering (MDE) is a progressive area that tries to fill the gap between problem definition and software development. There are many modeling languages proposed for use in MDE. A challenge is how to provide automatic analysis for these models without having to create new analyzers for each different language. In this research, we tackle this problem for a family of modeling languages...
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