Proper waste sorting is very important for keeping our neighbourhoods clean and saving resources for the future. When we mix ...

Abstract: Drafting a formal or semi-formal model describing the functional requirements of a system from a textual specification is a prerequisite in the context of a model-driven engineering approach ...

BUBBL on Python is a GUI program development environment using a 'desktop' metaphor on which diagrams are created and then 'run' as apps. There are unique features of the development environment such ...

Abstract: Unified Modeling Language (UML) and Object Constraint Language (OCL) are the most commonly used languages to model software systems. OCL is a formal language used to specify invariants as ...