Editorial: model-based requirements engineering

Aristotle once said that ”it is the mark of an educated mind to be able to entertain a thought without accepting it”. This is the motto of the model-based requirements engineering (MBRE). MBRE analysts know that defining requirements means herding a community of stakeholders through a space of options towards some group consensus. Left to themselves, stakeholders may argue forever about different issues. The MBRE premise is that a model of the current version(s) of the RE model should be treated like a laboratory where analysts can experiment with different options. Such experimentation can: