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MAPE-K/MAPE-SAC: An interaction framework for adaptive systems with security assurance cases

open access: yesFuture Generation Computer Systems, 2020
Abstract Security certification establishes that a given system satisfies properties and constraints as specified in the system security profile. Mechanisms and techniques have been developed to assess if and how well the system complies with the properties, thereby providing a degree of confidence in the security certification.
Charles Walter   +2 more
exaly   +3 more sources

Model-Based Testing for MAPE-K adaptation control loops

open access: yes, 2020
Self-adaptation is an effective solution for complex systems that need to adapt themselves to external changes while keeping internal goals; it can be realized in terms of MAPE-K feedback control loops, organized according to specific MAPE patterns in ...
Elvinia Riccobene   +2 more
exaly   +3 more sources
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On the asymmetry of the symmetric MAPE

International Journal of Forecasting, 1999
Abstract Several authors have suggested that the use of the mean absolute percentage error (MAPE) as a measure of forecast accuracy should be avoided because they argue it treats forecast errors above the actual observation differently from those below this value. To counter this, the use of a symmetric (or modified) MAPE has been proposed.
Paul Goodwin, Richard Lawton
openaire   +1 more source

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