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      On Compositionality in Refining Concurrent Systems

      Proceedings of the BCS-FACS 7th Refinement Workshop (RW)

      BCS-FACS 7th Refinement Workshop

      3-5 July 1996

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          Abstract

          Three different styles of refinement of concurrent systems are investigated. The methods differ in their degree of compositionality. The traditional method considers the refinement of complete systems, and therefore is totally noncompositional. The middle level one is called a modular method, with which one first verifies refinement of each component and then checks that the refinements are compatible by an interference freedom test. The last and more novel one, borrows the rely–guarantee idea from program verification and supports compositional refinement in that one can carry out the development of one process without knowing the structure of other processes. A common example is verified by the various refinement methods. We discuss both advantages and disadvantages of the three approaches, which indicate when it is more suitable to use one particular style.

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          Author and article information

          Contributors
          Conference
          July 1996
          July 1996
          : 1-14
          Affiliations
          United Nations University

          International Institute for Software Technology

          P.O. Box 3058, Macau
          Article
          10.14236/ewic/RW1996.15
          © Q. W. Xu. Published by BCS Learning and Development Ltd. Proceedings of the BCS-FACS 7th Refinement Workshop, Bath

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Proceedings of the BCS-FACS 7th Refinement Workshop
          RW
          7
          Bath
          3-5 July 1996
          Electronic Workshops in Computing (eWiC)
          BCS-FACS 7th Refinement Workshop
          Product
          Product Information: 1477-9358BCS Learning & Development
          Self URI (journal page): https://ewic.bcs.org/
          Categories
          Electronic Workshops in Computing

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