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      Coupling Schemas: Data Refinement and View(point) Composition

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      Proceedings of the 2nd BCS-FACS Northern Formal Methods (FM)

      Northern Formal Methods

      14-15 July 1997

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          Abstract

          We define the notion of a coupling schema in Z, and describe the role it plays in data refinement, view composition, and viewpoint unification. In each case coupling schemas relate several state schemas. In data refinement they occur as retrieve relations (abstraction schemas). In specification by views, coupling schemas provide a link between the various views. For viewpoint specification, coupling schemas are closely related to correspondence relations between state schemas in the viewpoints. Simple properties of coupling schemas (e.g. totality, functionality, and consistency) are shown to have important consequences in the techniques listed, and to be very useful for exhibiting the relations between these techniques. It turns out that views and viewpoints can both be seen as variations on, or even as generalisations of, data refinement.

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          Most cited references 5

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          Viewpoint specification and Z

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            Formal specification of a display-oriented text editor

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              Consistency and refinement for partial specification in Z

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                Author and article information

                Contributors
                Conference
                July 1997
                July 1997
                : 1-18
                Affiliations
                Computing Laboratory, University of Kent

                Canterbury, CT2 7NF, U.K.

                Phone: +44 1227 764000
                Article
                10.14236/ewic/FA1997.2
                © Eerke Boiten et al. Published by BCS Learning and Development Ltd. Proceedings of the 2nd BCS-FACS Northern Formal Methods Workshop, Ilkley

                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 2nd BCS-FACS Northern Formal Methods
                FM
                2
                Ilkley
                14-15 July 1997
                Electronic Workshops in Computing (eWiC)
                Northern Formal Methods
                Product
                Product Information: 1477-9358BCS Learning & Development
                Self URI (journal page): https://ewic.bcs.org/
                Categories
                Electronic Workshops in Computing

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