What is ReqIF and why is it important?

<From Wikipedia> RIF/ReqIF (Requirements Interchange Format) is an XML file format that can be used to exchange requirements, along with its associated […]

What is SysML and why is it important?

<From Wikipedia> The Systems Modeling Language (SysML)[1] is a general-purpose modeling language for systems engineering applications. It supports the specification, analysis, design, […]