Updating the requirements specification during software evolution is a manual and expensive task. Therefore, software engineers usually choose to apply modifications directly to t...
Requirements engineering (RE) is concerned with the elicitation of the goals to be achieved by the system envisioned, the operationalization of such goals into specifications of se...
Requirements models are essential not just during system implementation, but also to manage system changes post-implementation. Such models should be supported by a requirements m...
Neil A. Ernst, John Mylopoulos, Yijun Yu, Tien Ngu...
Security requirements strongly influence the architectural design of complex IT systems in a similar way as other non-functional requirements. Both security engineering as well a...
Abstract. The motivation for this work is to support a natural separation of concerns during formal system development. In a developmentby-refinement context, we would like to be a...