By the same authors

On modelling user observations in the UTP

Research output: Contribution to conferencePaper

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DatePublished - 2010
Original languageEnglish

Abstract

This paper presents an approach for modelling interactions between users and systems in the Unifying Theories of Programming. Working in the predicate calculus, we outline generic techniques for calculating a user's observations of a system and, in turn, for identifying the information that a user can deduce about the system's behaviour from those observations. To demonstrate how this approach can be applied in practical software development, we propose some alternative refinement relations that offer greater flexibility than classical refinement by utilising knowledge of the observational abilities of users.

    Research areas

  • UTP, co-operating and independent refinement, distributed testing, information flow, multi-user systems

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