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Observation and abstract behaviour in specification and implementation of state-based systems

Pahl, Claus (2001) Observation and abstract behaviour in specification and implementation of state-based systems. In: Irish Workshop on Formal Methods IWFM’2001, 16-17 July 2001, Dublin, Ireland.

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Abstract

Classical algebraic specification is an accepted framework for specification. A criticism which applies is the fact that it is functional, not based on a notion of state as most software development and implementation languages are. We formalise the idea of a state-based object or abstract machine using algebraic means. In contrast to similar approaches we consider dynamic logic instead of equational logic as the framework for specification and implementation. The advantage is a more expressive language allowing us to specify safety and liveness conditions. It also allows a clearer distinction of functional and state-based parts which require different treatment in order to achieve behavioural abstraction when necessary. We shall in particular focus on abstract behaviour and observation. A behavioural notion of satisfaction for state-elements is needed in order to abstract from irrelevant details of the state realisation.

Item Type:Conference or Workshop Item (Paper)
Event Type:Workshop
Refereed:Yes
Uncontrolled Keywords:software development; specification; dynamic logic; equational logic
Subjects:Computer Science > Software engineering
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Computing
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:17206
Deposited On:20 Aug 2012 11:44 by Claus Pahl. Last Modified 10 Sep 2012 14:20

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