5. IMPLEMENTATION AND APPLICATIONTO CASE STUDIESIn this section, we present the details of the tool support forour approach as well as its use in both case studies.

MPLEMENTATION AND APPLICATIONTO CASE STUDIES

he addition ofa new conguration can introduce features that aresemantically equivalent. The addition of a new ser-vice for weather predictions by using aforecastfeatureinstead of aweatherfeature will cause the creationof two dierent features with the same semantics