Assessment of Safety-Critical Specifications

  • Authors:
  • Lloyd G. Williams

  • Affiliations:
  • -

  • Venue:
  • IEEE Software
  • Year:
  • 1994

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Abstract

Formal methods can reduce the ambiguity in specifications and provide a basis for verification later on/spl minus/especially important for safety-critical systems. The author compares specifications in the software cost reduction method and in the Vienna Definition Method for a safety-critical system and identifies several key assessment issues: understandability, assessment criteria, and semantic capabilities.