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Towards Requirements Aware Systems: Run-time Resolution of Design-time Assumptions

Kristopher Welsh, Peter Sawyer, and Nelly Bencomo
(Lancaster University, UK; INRIA Paris - Rocquencourt, France)

In earlier work we proposed the idea of requirements-aware systems that could introspect about the extent to which their goals were being satisfied at runtime. When combined with requirements monitoring and self adaptive capabilities, requirements awareness should help optimize goal satisfaction even in the presence of changing run-time context. In this paper we describe initial progress towards the realization of requirements-aware systems with REAssuRE. REAssuRE focuses on explicit representation of assumptions made at design time. When such assumptions are shown not to hold, REAssuRE can trigger system adaptations to alternative goal realization strategies.

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