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...

From Weeks to Hours: Automating Power Balance Analysis in Early Mission Design

Early space mission design is a race against the clock. A mission study brings multidisciplinary engineers together to explore concepts...

The Power of a Reasoner: Validating SysML Models Automatically

A SysML modeling tool will dutifully tell you when your model is malformed. What it will not tell you is...