A framework for determining design correctness

  • Authors:

  • Love Ekenberg;Paul Johannesson

  • Affiliations:

  • Dept. of Computer and Systems Sciences, Stockholm University and KTH, Forum 100, SE-164 40 Kista, Sweden;Dept. of Computer and Systems Sciences, Stockholm University and KTH, Forum 100, SE-164 40 Kista, Sweden

  • Venue:
  • Knowledge-Based Systems
  • Year:
  • 2004

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Abstract

Quality is one of the main concerns in today's systems and software development and use. One important instrument in verification is the use of formal methods, which means that requirements and designs are analyzed formally to determine their relationships. Furthermore, since professional software design is to an increasing extent a distributed process, the issue of integrating different systems to an entity is of great importance in modern system development and design. Various candidates for formalizing system development and integration have prevailed, but very often, particularly for dynamic conflict detection, these introduce non-standard objects and formalisms, leading to severe confusion, both regarding the semantics and the computability. In contrast to such, we introduce a framework for defining requirement fulfillment by designs, detecting conflicts of various kinds as well as integration of heterogeneous schemata. The framework introduced transcends ordinary logical consequence, as it takes into account static and dynamic aspects of design consistency and, in particular, the specific features of the state space of a specification. Another feature of the approach is that it provides a unifying framework for design conflict analysis and schema integration.