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Step Traces

Lookup NU author(s): Professor Maciej KoutnyORCiD, Dr Lukasz Mikulski

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Abstract

In the classical Mazurkiewicz trace approach the behaviour of a con-current system is described in terms of sequential observations that dier onlywith respect to their ordering of independent actions. This paper investigates anextension of the trace model to the case that actions can be observed as occurringsimultaneously. Thus observations are sequences of steps, i.e., sets of actions. Thisleads to a step trace model based on three relations between events: simultane-ity, serialisability, and interleaving. Whereas the underlying causal structures oftraces are based on dependencies between actions leading to a partial order in-terpretation, more general causal structures are needed to describe the invariantrelationships between the action occurrences in a step trace. We present a com-plete picture including dependence structures extending dependence graphs, anda characterisation of step traces in terms of invariant order structures.

Publication metadata

Author(s): Janicki R, Kleijn J, Koutny M, Mikulski L

Publication type: Article

Publication status: Published

Journal: Acta Informatica

Year: 2016

Volume: 51

Issue: 1

Pages: 35-65

Print publication date: 01/02/2016

Online publication date: 10/06/2015

Acceptance date: 22/04/2015

Date deposited: 15/06/2015

ISSN (print): 0001-5903

ISSN (electronic): 1432-0525

Publisher: Springer

URL: http://dx.doi.org/10.1007/s00236-015-0244-z

DOI: 10.1007/s00236-015-0244-z

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