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Reports (Research Report) Year : 2016

Extending Feature Models with Relative Cardinalities

Modèles de caractéristiques augmentés de cardinalités relatives


Feature modeling is widely used to capture and manage commonalities and variabilities in software product lines. Cardinality-based feature models are used when variability applies not only to the selection or exclusion of features but also to the number of times a feature can be included in a product. Feature cardinalities are usually considered to apply in local or global scope. However, through our work in managing variability in cloud computing providers, we have identified cases where these interpretations are insufficient to capture the variability of the cloud environment. In this paper, we redefine cardinality-based feature models to allow multiple relative cardinalities between features and discuss the effects of relative cardinalities on cross-tree constraints. To evaluate our approach we conducted an analysis of relative cardinalities in four cloud computing providers. In addition, we developed tools for reasoning on feature models with relative cardinalities and performed experiments to verify the performance and scalability of the approach. The results from our study indicate that extending feature models with relative cardinalities is feasible and improves variability modeling, especially in the case of cloud environments.
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Dates and versions

hal-01257909 , version 1 (18-01-2016)


  • HAL Id : hal-01257909 , version 1


Gustavo Sousa, Walter Rudametkin, Laurence Duchien. Extending Feature Models with Relative Cardinalities. [Research Report] RR-8843, Université Lille 1; CRIStAL UMR 9189; Inria Lille - Nord Europe. 2016, pp.24. ⟨hal-01257909⟩
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