Composition mechanisms for retrenchment


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

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Description/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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.jlap.2007.11.001
Keywords: retrenchment, refinement, composition, decomposition, requirements engineering, model evolution
Subjects:
Organisations: Electronic & Software Systems
ePrint ID: 266492
Date :
Date Event
18 January 2008e-pub ahead of print
April 2008Published
Date Deposited: 03 Aug 2008 22:42
Last Modified: 17 Apr 2017 19:02
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/266492

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