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Model. Anal. Inform. Sist., 2014, Volume 21, Number 6, Pages 18–30 (Mi mais409)  

Controllable deadlocks in parallel resource-constrained workflows

V. A. Bashkin, N. Yu. Panfilova

P. G. Demidov Yaroslavl State University, Sovetskaya str., 14, Yaroslavl, 150000, Russia

Abstract: We study the verification of the soundness property for workflow nets extended with resources. A workflow is sound if it terminates properly (no deadlocks and livelocks are possible). A class of resource-constrained workflow nets (RCWF-nets) is considered, where resources can be used by a process instance, but cannot be created or spent. Two sound RCWF-nets using the same set of resources can be put in parallel. This parallel composition may in some cases produce additional deadlocks. A problem of deadlock avoidance in parallel workflows is studied, some methods of deadlock search and control are presented.

Keywords: workflow, resource, soundness, parallel composition, deadlock, verification.

Full text: PDF file (659 kB)
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UDC: 519.71+004.021
Received: 15.09.2014

Citation: V. A. Bashkin, N. Yu. Panfilova, “Controllable deadlocks in parallel resource-constrained workflows”, Model. Anal. Inform. Sist., 21:6 (2014), 18–30

Citation in format AMSBIB
\Bibitem{BasPan14}
\by V.~A.~Bashkin, N.~Yu.~Panfilova
\paper Controllable deadlocks in parallel resource-constrained workflows
\jour Model. Anal. Inform. Sist.
\yr 2014
\vol 21
\issue 6
\pages 18--30
\mathnet{http://mi.mathnet.ru/mais409}


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