An Extendable Approach to Computer-Aided Software Requirements Engineering

  • Authors:
  • T. E. Bell;D. C. Bixler;M. E. Dyer

  • Affiliations:
  • Management Consulting Department;-;-

  • Venue:
  • IEEE Transactions on Software Engineering
  • Year:
  • 1977

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Abstract

The development of system requirements has been recognized as one of the major problems in the process of developing data processing system software. We have developed a computer-aided system for maintaining and analyzing such requirements. This system includes the Requirements Statement Language (RSL), a flow-oriented language for the expression of software requirements, and the Requirements Engineering and Validation System (REVS), a software package which includes a translator for RSL, a data base for maintaining the description of system requirements, and a collection of tools to analyze the information in the data base. The system emphasizes a balance between the use of the creativity of human thought processes and the rigor and thoroughness of computer analysis. To maintain this balance, two key design principles-extensibility and disciplined thinking-were foliowed throughout the system. Both the language and the software are easily user-extended, but adequate locks are placed on extensions, and limitations are imposed on use, so that discipline is augmented rather than decreased.