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In order to reduce the complexity of modeling product lines, many authors propose modeling product concerns separately by using multiple feature models. These proposals use well-known operations such as merge, union and slice to compose the models for analysis and engineering. Such operations produce new models that represent sets of products that comply with the semantics of the operations. We use...
Feature Models are widely used in Software Product Lines to represent commonalities and variabilities in a family of products and to support the interactive configuration of these products. They comprise features and options that can be included in a product and constraints about which combinations of features are allowed. Libraries and frameworks such as SPLOT and FaMa help engineers to determine...
In Software Architecture, several approaches focus first on selecting architectural tactics to address quality attributes and later use the corresponding design alternatives to create application architectures. Regrettably, sometimes the alternatives used to improve some quality attributes inhibit or reduce the achievement of others. These conflicts, known as trade-off points, lead to trade-off decisions...
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