What the Reasoner Knows That You Did Not Write Down

Every model says more than it states. The interesting question in model-based systems engineering (MBSE) is not what you wrote...

Upper Ontologies: Inherit or Instantiate?

Every serious modeling effort eventually adopts an upper ontology: a small, foundational vocabulary of top-level classes that domain ontologies build...

Why OML and Not Just OWL?

It helps to separate two concerns that often get conflated: semantic interoperability and ontological modeling.