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Software Engineering for Service-Oriented Overlay Computers
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Sensoria Bibliography Site Usage automata
Massimo Bartoletti

abstract:
Usage automata are an extension of finite stata automata,
with some additional features (e.g.\ parameters and guards)
that improve their expressivity.
Usage automata are expressive enough to model security requirements
of real-world applications;
at the same time, they are simple enough to be statically amenable,
e.g.\ they can be model-checked against abstractions of program usages.
We study here some foundational aspects of usage automata.
In particular, we discuss about their expressive power, and about their
effective use in run-time mechanisms for enforcing usage policies.
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