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Fig 4 - Visualizations for the evolution of Variant-Rich Systems: A systematic mapping study

Fig. 4. Constraint Extraction. Feature Relation Graphs use nodelink diagrams on top of a radial network. Nodes represent feature names. The node in the center is the feature under analysis while the arrangement of the others represents the relationship they have with the central feature. Concretely, the arrangement represents three types of relationships: type of constraint (proximity to the center), stakeholder perspective (radial position), and level of formalization (edge type). Using the visualization, developers identify potential feature constraints related to the feature under analysis. Figure credits [S4]. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)
Constraint Extraction. Feature Relation Graphs use nodelink diagrams on top of a radial network. Nodes represent feature names. The node in the center is the feature under analysis while the arrangement of the others represents the relationship they have with the central feature. Concretely, the arrangement represents three types of relationships: type of constraint (proximity to the center), stakeholder perspective (radial position), and level of formalization (edge type). Using the visualization, developers identify potential feature constraints related to the feature under analysis. Figure credits [S4]. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)
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