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periodic or service components. The Instantiation mode
featuregroupsthefeatures Deployment and Invocation and
also has a cardinality [1..1] , which implicitly means that
Component elementscanbeinstantiatedeitherondeployment
or on invocation.
Figure 4.11. Smart-Homes' facilities feature model
Figure 4.12. Architecture feature model
Figure 4.13 summarizes the processes of (1) expressing
the variability in our application example SPL and (2)
configuring a Smart-Home system, by using only metamodels
and feature models. First, a building architect creates a
Domain Model based on the Domain Metamodel . Then,
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