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# Tag Archives: Class

## Modelling with Classes: Square and Rectangle revisited

Classic problem in class-modelling: how to express that a square is a special kind of rectangle? In order to deepen understanding, let us scrutinize the situation a bit closer here, using logical/ structural foundations of modelling: Continue reading

## Reflections on Abstractions: Joining Classification by Relationships and Properties

How does classification based on properties go together with relationship based classes? In addition to the former posting “Concepts vs Modules for Classification”, the fit of concept lattices and relationship graphs is examined in more detail. Continue reading

Posted in Mathematics, Reflections on Abstractions
Tagged abstraction, abstraction awareness, Class, classification, classifier, component, concept analysis, formal concept analysis, formal methods, Graph Theory, model, modeling, modeling theory, module, refinement, reflections on abstractions, ROA
1 Comment

## UML and Complexity aware modeling

I believe that applying complexity classes to UML can provide a substantial benefit, if it can support the controlled (complexity aware) use of language. Continue reading

Posted in Software_Engineering
Tagged Activity, Class, Complexity, Diagram, Domain, Finite Model Theory, Language, model, model theory, modeling, State Machine, Transformation, UML
6 Comments