Abstract
The member companies of the Software Productivity Consortium develop large, mission-critical, real-time applications. For these companies, requirements are the top-priority problem in systems and software development. These requirements have driven the development of the Consortium Requirements Engineering (Core) method and its prototype CASE tools. Core is a single, coherent method for specifying real-time requirements that integrates object-oriented and forward models, integrates graphical and formal specifications, permits nonalgorithmic specifications, and provides a machine-like model. The Core requirements, component technologies, and conceptual model are discussed. Some important Core features are illustrated with an example of safety-shutdown software for a shipboard fuel-control system.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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