On Semantics and Correctness of Reactive Rule-based Systems
Andrei Ershov Third International Conference "Perspectives of System Informatics", PSI'99, Novosibrisk, Russia, July 1999, LNCS, Springer Verlag.
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ABSTRACT
The rule-based paradigm for knowledge representation appears in many disguises within computer science. In this paper we address special issues which arise when the rule-based programming paradigm is employed in the development of reactive systems. We begin by presenting a rule-based language RL which has emerged while developing intelligent cruise control systems. We define a desired declarative semantics and correctness criteria for rule-based programs which respect causality, synchrony assumption and desired determinism. Two alternative approaches are proposed to analyze RL programs. Both approaches build upon static checks of a rule-based program. In the first approach we accept programs which are correct with respect to a constructive semantics while in the second approach, a stratification check is imposed. The combination of rules and reactive behaviour, together with a formal analysis of this behaviour is the main contribution of our work.
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[LMN99] Man Lin, Jacek Malec, Simin Nadjm-Tehrani, "On Semantics and Correctness of Reactive Rule-based Systems", Andrei Ershov Third International Conference "Perspectives of System Informatics", PSI'99, Novosibrisk, Russia, July 1999, LNCS, Springer Verlag. |
