A precise examination of the behaviour of process models

Ross, Kelvin; Lindsay, Peter

doi:10.1007/3-540-58555-9_99

Cited by 3 publications

(5 citation statements)

References 7 publications

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“…This model is called a configuration model in [16]. Note that, in practice, the different parts of the model would usually be defined in parallel.…”

Section: The Methodsmentioning

confidence: 99%

“…Although in this paper we restrict our attention to theorems and proofs, it is easy to imagine how the example could be extended to support formal verification more generally. In [16] the method is applied to a formal development support environment to track the co-development of a formal specification and its verification.…”

Section: Ui Requirementsmentioning

confidence: 99%

“…Guided by status information, the process engine invokes tools and changes objects and their statuses accordingly. This paper presents a systematic method -originally proposed in [16] -for formally specifying and reasoning about state-based process models and describes how object statuses can be used to provide useful task management information. (Note that we do not however consider the problem of task analysis here.)…”

Section: Introductionmentioning

confidence: 99%

“…(b) Show that the behavioural properties hold in all "reachable" states of the system: i.e., they are true in the initial state(s) of the system and are preserved by all enabled operations. 3 The proof obligations are described in more detail in [16].…”

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confidence: 99%

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A Formal Basis for Modelling Process and Task Management Aspects of User Interface Design

Lindsay

1996

Electronic Workshops in Computing

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This paper presents a method for formally specifying and reasoning about process models for interactive systems. The method addresses two important aspects of user interface design: controlled but flexible access to functionality; and provision of useful task management information, such as indicating what progress has been made towards achieving goals and what remains to be done. The method is well suited to "data intensive" applications in which the system is being used to manage complex "configurations" of interconnected objects, and for which task goals can be expressed in terms of properties of the underlying configuration of objects. The method includes proof obligations to check the accuracy of the task management information. The paper illustrates the method on a Theory Manager, which manages a store of theorems and proofs; the store has complex consistency and completeness requirements. BCS-FACS Workshop on Formal Aspects of The Human Computer Interface A Formal Basis for Modelling Process and Task Management Aspects of User Interface Design

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“…This model is called a configuration model in [16]. Note that, in practice, the different parts of the model would usually be defined in parallel.…”

Section: The Methodsmentioning

confidence: 99%

Section: Ui Requirementsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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A Formal Basis for Modelling Process and Task Management Aspects of User Interface Design

Lindsay

1996

Electronic Workshops in Computing

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“…The configuration model and its formal analysis enables verification of support systems to ensure they correctly manage configurations as changes are applied. For example, in [13] a configuration model was utilised in the verification of the support offered by a process model in managing the correctness of VDM specifications. This approach is especially useful in evaluating refinement environments considering the integrity of the method being supported.…”

Section: Models For Configuration Management Of Refinement Calculus Dmentioning

confidence: 99%

Models for Configuration Management of Refinement Calculus Developments

Ross

1996

Electronic Workshops in Computing

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This paper considers aspects of Software Configuration Management (SCM) in its role of supporting configurations that arise in development of software using the refinement calculus. From an SCM perspective, the primary difference between formal development methods, such as the refinement calculus, and traditional development methods is the nature of relationships within the development configuration. The relationships are very precise; occur at much finer levels of granularity; and evolve through an iterative/intertwined development process. In analysing support for the refinement calculus, this paper proposes a configuration model which defines the relationships that occur during development and how these relationships evolve as development activities are applied and modifications are made. The configuration model enables properties regarding relationships to be formally inferred. The results of these inferences may be used in developing automated support for refinement calculus developments, such as change impact analysis, traceability and remanufacturing services. Models for Configuration Management of Refinement Calculus Developments In Section 7 we consider properties that are consequences of the configuration model and how they convey useful information relating to development, such as conformance to the methodology and change impact analysis. Section 8 examines how the configuration model can provide information for constructing SCM support for the refinement calculus. Finally in section 9 we present conclusions, indicate where simplifications have been incorporated into the model and review related work. Within the paper a particular presentation style has been adopted. The definitions for the configuration models are displayed in figures enclosed in oval boxes. Other supporting figures are displayed in shadowed boxes. The notation includes atomic type and primitive relationship names being underlined; activity names are capitalised; and assumption and inference rule names are shown in typed font. 2 Software Configuration Management Software Configuration Management (SCM) is the means through which the integrity and traceability of the software system are recorded, communicated and controlled during both development and maintenance [15]. SCM is concerned with the management of configurations of components which collectively represent the software development, including management of the relationships between components and management of the persons and processes involved in the development of components. 2.1 SCM Services SCM offers a wide range of services for managing software development configurations as they evolve. These services include: Repository: Efficient storage and retrieval of versions of configuration components as well as relationships between components. For example, a repository for refinement could offer storage of the versions of development components (e.g. program fragments and proofs) and relationships between component (e.g. modification between versions, refinement between program ...

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The Cogito Repository Manager

Traynor

Bloesch

Proceedings of 1st Asia-Pacific Software Engineering Conference

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This paper describes the Cogito Repository Manager. The motivation behind, and structure o j the repository manager are presented in detail. Issues surrounding version and configuration management are also discussed. The way in which process modeling, configuration and version control, and tool integration are combined into a single framework is outlined. An example population which instantiates the system with a C development environment is given. The development has been undertaken in the context of an integrated system and methodology for the formal construction of programs (Cogito). The repository manager described here forms the central component of the Cogito system. Finally, a formal specification of parts of the repository manager is given,

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A precise examination of the behaviour of process models

Cited by 3 publications

References 7 publications

A Formal Basis for Modelling Process and Task Management Aspects of User Interface Design

A Formal Basis for Modelling Process and Task Management Aspects of User Interface Design

Models for Configuration Management of Refinement Calculus Developments

The Cogito Repository Manager

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