Model Transformation Reuse across Metamodels - A classification and comparison of approaches

International audienceModel transformations (MTs) are essential elements of model-driven engineering (MDE) solutions. MDE promotes the creation of domain-specific metamodels, but without proper reuse mechanisms, MTs need to be developed from scratch for each new metamodel. In this paper, we classify reuse approaches for MTs across different metamodels and compare a sample of specific approaches-model types, concepts, a-posteriori typing, multilevel modeling, and design patterns for MTs-with the help of a feature model developed for this purpose, as well as a common example. We discuss strengths and weaknesses of each approach , provide a reading grid used to compare their features, and identify gaps in current reuse approaches