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FAC
2011
51views more  FAC 2011»
12 years 11 months ago
Retrenchment for Event-B: UseCase-wise development and Rodin integration
UseCase-wise Development, an ‘Agile Method’ which introduces functionality into an application stage by stage, with each stage being carried through (ideally) to implementation...
Richard Banach
JLP
2008
108views more  JLP 2008»
13 years 4 months ago
Composition mechanisms for retrenchment
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 additi...
Richard Banach, Czeslaw Jeske, Michael Poppleton
ZUM
2000
Springer
13 years 7 months ago
Retrenchment, Refinement, and Simulation
: Retrenchment is introduced as a liberalisation of refinement intended to address some of the shortcomings of refinement as sole means of progressing from simple abstract models t...
Richard Banach, Michael Poppleton
ICFEM
2000
Springer
13 years 8 months ago
Fragmented Retrenchment, Concurrency and Fairness
Retrenchment is presented in a simple relational framework as a more flexible development concept than refinement for capturing the early preformal stages of development, and brie...
Richard Banach, Michael Poppleton
IFM
1999
Springer
13 years 8 months ago
Retrenchment and Punctured Simulation
: Some of the shortcomings of using refinement alone as the means of passing from high level simple models to actual detailed implementations are reviewed. Retrenchment is presente...
Richard Banach, Michael Poppleton
FM
2003
Springer
112views Formal Methods» more  FM 2003»
13 years 9 months ago
Structuring Retrenchments in B by Decomposition
Simple retrenchment is briefly reviewed in the B language of J.-R. Abrial [1] as a liberalisation of classical refinement, for the formal description of application developments ...
Michael Poppleton, Richard Banach
TASE
2009
IEEE
13 years 11 months ago
Coarse Grained Retrenchment and the Mondex Denial of Service Attacks
Retrenchment is a framework that allows relatively unrestricted system evolution steps to be described in a way that gives an evolution step some formal content — unlike model b...
Richard Banach