Event trace independence of active behavior

Authors:
Angela Bonifati;Stefano Ceri;Stefano Paraboschi
Affiliations:
Icar CNR, Rende, Italy;DEI, Politecnico di Milano, Milano, Italy;DIGI, Università di Bergamo, Dalmine, Italy
Venue:
Information Processing Letters
Year:
2005

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Abstract

We present the Event Trace Independence (ETI), a novel property of active rules exhibiting a behavior independent of the specific event sequence that had caused a state transition. When employed in a distributed setting, this property supersedes the classical property of confluence, which is not sufficient herein. We show that ETI is in general undecidable and provide a sufficient condition, called invertibility, which offers a practical way to demonstrate ETI.