Safety Checklist for Four-Variable Requirements Methods
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Computer Science—the theory, representation, processing, communication and use of information—is fundamentally transforming every aspect of human endeavor. The Department of Computer Science at Iowa State University advances computational and information sciences through; 1. educational and research programs within and beyond the university; 2. active engagement to help define national and international research, and 3. educational agendas, and sustained commitment to graduating leaders for academia, industry and government.
History
The Computer Science Department was officially established in 1969, with Robert Stewart serving as the founding Department Chair. Faculty were composed of joint appointments with Mathematics, Statistics, and Electrical Engineering. In 1969, the building which now houses the Computer Science department, then simply called the Computer Science building, was completed. Later it was named Atanasoff Hall. Throughout the 1980s to present, the department expanded and developed its teaching and research agendas to cover many areas of computing.
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1969-present
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- College of Liberal Arts and Sciences (parent college)
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Abstract
This paper organizes safety criteria, as given by Leveson, Jaffe, Heimdahl, Melhart, and Lutz, as a safety checklist for use on four-variable requirements models for real-time process-control systems. Special attention is given to the Software Productivity Consortium CoRE and Naval Research Laboratory SCR requirements specifications built on the four-variable model. The criteria are presented in English text and may be applied during the requirements engineering phase of software development to reduce safety-related software errors.