Variability Representations in Class Models: An Empirical Assessment (Summary)
| dc.contributor.author | Strüber, Daniel | |
| dc.contributor.author | Anjorin, Anthony | |
| dc.contributor.author | Berger, Thorsten | |
| dc.contributor.editor | Koziolek, Anne | |
| dc.contributor.editor | Schaefer, Ina | |
| dc.contributor.editor | Seidl, Christoph | |
| dc.date.accessioned | 2020-12-17T11:58:00Z | |
| dc.date.available | 2020-12-17T11:58:00Z | |
| dc.date.issued | 2021 | |
| dc.description.abstract | We present our paper originally published in the proceedings of the ACM/IEEE International Conference on Model Driven Engineering Languages and Systems 2020 (MODELS). Owing to the ever-growing need for customization, software systems often exist in many different variants. To avoid the need to maintain many different copies of the same model, developers of modeling languages and tools have recently started to provide representations for such variant-rich systems, notably variability mechanisms that support the implementation of differences between model variants. Available mechanisms either follow the annotative or the compositional paradigm, each of them having unique benefits and drawbacks. Language and tool designers select the used variability mechanism often solely based on intuition. A better empirical understanding of the comprehension of variability mechanisms would help them in improving support for effective modeling. In this paper, we present an empirical assessment of annotative and compositional variability mechanisms for class models. We report and discuss findings from an experiment with 73 participants, in which we studied the impact of the chosen variability mechanisms during model comprehension tasks. We find that, compared to the baseline of listing all model variants separately, the annotative technique did not affect developer performance. Use of the compositional mechanism correlated with impaired performance. For a subset of our tasks the annotative mechanism is preferred to the compositional one and the baseline. We present actionable recommendations concerning support of flexible, tasks-specific solutions, and the transfer of best established best practices from the code domain to models. | en |
| dc.identifier.doi | 10.18420/SE2021_39 | |
| dc.identifier.isbn | 978-3-88579-704-3 | |
| dc.identifier.pissn | 1617-5468 | |
| dc.identifier.uri | https://dl.gi.de/handle/20.500.12116/34535 | |
| dc.language.iso | en | |
| dc.publisher | Gesellschaft für Informatik e.V. | |
| dc.relation.ispartof | Software Engineering 2021 | |
| dc.relation.ispartofseries | Lecture Notes in Informatics (LNI) - Proceedings, Volume P-310 | |
| dc.subject | model-driven engineering | |
| dc.subject | class models | |
| dc.subject | variability | |
| dc.subject | software product lines | |
| dc.title | Variability Representations in Class Models: An Empirical Assessment (Summary) | en |
| dc.type | Text/ConferencePaper | |
| gi.citation.endPage | 104 | |
| gi.citation.publisherPlace | Bonn | |
| gi.citation.startPage | 103 | |
| gi.conference.date | 22.-26. Februar 2021 | |
| gi.conference.location | Braunschweig/Virtuell |
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