Presentation 2013-01-22
On Analysis on Reachability to Unsafe Markings in Free Choice Workflow Nets
Yuki MURAKAMI, Ichiro TOYOSHIMA, Shingo YAMAGUCHI,
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Abstract(in English) In a workflow net, there may exist an unsafe marking or a marking reachable to the unsafe marking. This means that the marking represents a workflow instance which cannot be completed normally. In this paper, we first defined a problem to decide whether there exists a marking reachable to an unsafe marking in a given free choice workflow net. The safe problem for free choice workflow nets is intractable. By using a structure, called handle, we gave a condition to solve the safe problem for the live short-circuited net of the workflow net We also gave a condition to solve the defined problem.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Petri net / workflow net / instance / safeness / reachability
Paper # MSS2012-49
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Committee MSS
Conference Date 2013/1/15(1days)
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Registration To Mathematical Systems Science and its applications(MSS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) On Analysis on Reachability to Unsafe Markings in Free Choice Workflow Nets
Sub Title (in English)
Keyword(1) Petri net
Keyword(2) workflow net
Keyword(3) instance
Keyword(4) safeness
Keyword(5) reachability
1st Author's Name Yuki MURAKAMI
1st Author's Affiliation Graduate School of Science and Engineering, Yamaguchi University()
2nd Author's Name Ichiro TOYOSHIMA
2nd Author's Affiliation Graduate School of Science and Engineering, Yamaguchi University
3rd Author's Name Shingo YAMAGUCHI
3rd Author's Affiliation Graduate School of Science and Engineering, Yamaguchi University
Date 2013-01-22
Paper # MSS2012-49
Volume (vol) vol.112
Number (no) 383
Page pp.pp.-
#Pages 4
Date of Issue