Multi-level modelling promotes flexibility in modelling by enabling the use of several meta-
levels instead of just two, as is the case in mainstream two-level modelling approaches …

Model-driven engineering has become a popular methodology in software engineering.
Most available modeling tools support the creation of models based on a fixed metamodel …

Refactorings can be used to improve the structure of software artefacts while preserving the
semantics of the encapsulated information. Various types of refactorings have been …

Refactoring is a well-known technique to improve the quality of software. Fowler (1999)
defines it as “A change made to the internal structure of software to make it easier to …

Declarative rules are frequently used in model refactoring in order to detect refactoring
opportunities and to apply the appropriate ones. However, a large number of rules is …

Model-Driven Engineering (MDE) promotes models as the primary artefacts in the software
development process, from which code for the final application is derived. Standard …

For developing software in a model-driven style, meta-and multi-level modeling is currently
gaining more and more attention. In this contribution, we propose an approach to extend a …

Refactoring large systems involves several sources of uncertainty related to the severity
levels of code smells to be corrected and the importance of the classes in which the smells …

The use of models is increasing in software engineering, especially within the MDE initiative.
Models are usually communicated by visualizing them, typically using a graphical modelling …

As the range of modelling approaches that claim to be “multi-level” diversifies, there is
growing debate in the literature about what multi-level modelling actually is and what form …