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Composition mechanisms for retrenchment

Composition mechanisms for retrenchment
Composition mechanisms for retrenchment
Retrenchment is a flexible model evolution formalism that arose as a reaction to the limitations imposed by refinement, and for which the proof obligations feature additional predicates for accommodating design data. Composition mechanisms for retrenchment are studied. Vertical, horizontal, dataflow, parallel and fusion compositions are described. Of particular note are the means by which the additional predicates compose. It is argued that all of the compositions introduced are associative, and that they are mutually coherent. Composition of retrenchment with refinement, so important for the smooth interworking of the two techniques, is discussed. Decomposition, allowing finer grained retrenchments to be extracted from a single large grained retrenchment, is also investigated.
retrenchment, refinement, composition, decomposition, requirements engineering, model evolution
209-229
Banach, R.
bf1c197c-19f1-4bb6-9137-4dc786221961
Jeske, C.
07fc6c72-29a1-49b0-9a82-b9b972a70ff1
Poppleton, M.
4c60e63f-188c-4636-98b9-de8a42789b1b
Banach, R.
bf1c197c-19f1-4bb6-9137-4dc786221961
Jeske, C.
07fc6c72-29a1-49b0-9a82-b9b972a70ff1
Poppleton, M.
4c60e63f-188c-4636-98b9-de8a42789b1b

Banach, R., Jeske, C. and Poppleton, M. (2008) Composition mechanisms for retrenchment. Journal of Logic and Algebraic Programming, 75 (2), 209-229. (doi:10.1016/j.jlap.2007.11.001).

Record type: Article

Abstract

Retrenchment is a flexible model evolution formalism that arose as a reaction to the limitations imposed by refinement, and for which the proof obligations feature additional predicates for accommodating design data. Composition mechanisms for retrenchment are studied. Vertical, horizontal, dataflow, parallel and fusion compositions are described. Of particular note are the means by which the additional predicates compose. It is argued that all of the compositions introduced are associative, and that they are mutually coherent. Composition of retrenchment with refinement, so important for the smooth interworking of the two techniques, is discussed. Decomposition, allowing finer grained retrenchments to be extracted from a single large grained retrenchment, is also investigated.

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More information

e-pub ahead of print date: 18 January 2008
Published date: April 2008
Keywords: retrenchment, refinement, composition, decomposition, requirements engineering, model evolution
Organisations: Electronic & Software Systems
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Identifiers

Local EPrints ID: 266492
URI: http://eprints.soton.ac.uk/id/eprint/266492
DOI: doi:10.1016/j.jlap.2007.11.001
PURE UUID: e3fb7790-48d0-414e-b53d-a9972e560b4e

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Date deposited: 03 Aug 2008 22:42
Last modified: 14 Mar 2024 08:28

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Contributors

Author: R. Banach
Author: C. Jeske
Author: M. Poppleton

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