Abstract-Software engineering standards determine practices that "compliant" software processes shall follow. Standards generally define practices in terms of constraints that must hold for documents. The document types identified by standards include typical development products, such as user requirements, and also process-oriented documents, such as progress reviews and management reports. The degree of standards compliance can be established by checking these documents against the constraints, It is neither practical nor desirable to enforce compliance at all points in the development process. Thus, compliance must be managed rather than imposed. We outline a model of standards and compliance and illustrate it with some examples. We give a brief account of the notations and method we have developed to support the use of the model and describe a support environment we have constructed. The principal contributions of our work are: the identification of the issue of standards compliance; the development of a model of standards and support for compliance management; the development of a formal model of product state with associated notation: a powerful policy scheme that triggers checks; a flexible and scalable compliance management view Index Terms-Software processes, software engineering standards, software development environments, compliance, consistency management.
Abstract. We introduce StPowla, a workflow based approach to business process modelling that integrates a simple graphical notation, to ease the presentation of the core business process, a natural policy language, Appel, to provide the necessary adaptation to the varied expectations of the various business stakeholders, and the Service Oriented Architecture, to assemble and orchestrate available services in the business process. We illustrate the approach with a loan approval process.
Abstract. Appel is a general language for expressing policies in a variety of application domains with a clear separation between the core language and its specialisation for concrete domains. Policies can conflict, thus leading to undesired behaviour. We present a novel formal semantics for the Appel language based on ∆DSTL(x) (so far Appel only had an informal semantics). ∆DSTL(x) is an extension of temporal logic to deal with global applications: it includes modalities to localize properties to system components, an operator to deal with events, and temporal modalitiesà la Unity. A further contribution of the paper is the development of techniques based on the semantics to reason about conflicts.
Abstract. We present a software tool platform which facilitates security and performance analysis of systems which starts and ends with UML model descriptions. A UML project is presented to the platform for analysis, formal content is extracted in the form of process calculi descriptions, analysed with the analysers of the calculi, and the results of the analysis are reflected back into a modified version of the input UML model. The design platform supporting the methodology, Choreographer, interoperates with state-of-the-art UML modelling tools. We illustrate the approach with a well known protocol and report on the experience of industrial users who have applied Choreographer in their development work.
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