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 ...
This work is a contribution to the developing literature on multi-resolution data models. It considers operations for model-oriented generalization in the case where the underlying...
Abstract. Today, different formalisms exist to solve reasoning problems under uncertainty. For most of the known formalisms, corresponding computer implementations are available. ...
Abstract. Quantitative analysis of quality-of-service metrics is an important tool in early evaluation of service provision. This analysis depends on being able to estimate the ave...
Computer software now controls critical systems worldwide. International standards require such programs to be produced from mathematically-precise specifications, but the techniq...