For a given modeling language, a model family is a set of related models, with commonalities and variabilities among family members, that results from the variation/evolution of models over the space and time dimensions. With large model families, the analysis of individual models becomes cumbersome and inefficient. This paper proposes union models as a paradigm supporting the representation of model families (for time and space dimensions) using one generic model. Elements of a union model are annotated with information about time and space using a new spatio-temporal annotation language (STAL) in order to distinguish which element belongs to which model. We demonstrate empirically the usefulness of union models for analyzing a family of models, all at once, compared to individual models, one model at a time. Our experiments suggest that the use of union models facilitate efficient analysis in several contexts.
CITATION STYLE
Alwidian, S., & Amyot, D. (2019). Union Models: Support for Efficient Reasoning About Model Families Over Space and Time. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 11753 LNCS, pp. 200–218). Springer Verlag. https://doi.org/10.1007/978-3-030-30690-8_12
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