Agostino Cortesi and Francesco Logozzo
This chapter investigates a formal approach to the verification of non functional sotware requirements that are crucial in Service-oriented Systems, like portability, time and space efficiency, dependability/robustness.
The key-idea is the notion of observable, i.e., an abstraction of the concrete semantics when focusing on a behavioral property of interest. By applying an abstract interpretation-based static analysis of the source program, and by a suitable choice of abstract domains, it is possible to design formal and effective tools for non-functional requirements validation.
Publisher IGI Global
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