NDLI: Dynamic verification of temporal constraints on-the-fly for workflow systems

Content Provider	IEEE Xplore Digital Library
Author	Chen, J. Yang, Y. Chen, T.Y.
Copyright Year	2004
Description	Author affiliation: Centre for Internet Comput. & E-Commerce, Swinburne Univ. of Technol., Melbourne, Vic., Australia (Chen, J.; Yang, Y.)
Abstract	Temporal verification is an important method to check the temporal correctness of workflow management systems (WfMSs). However, the current temporal verification is relatively independent of the workflow system environments. It does not pay sufficient attention to the interrelationship between the temporal verification at different stages, the mutual dependency between some temporal constraints, and the run-time checkpoint selection strategy, which hence hinders the incorporation and consistency between the temporal verification and the workflow system environments. In this paper, we effectively integrate the temporal verification at different stages and explore the dependency between some temporal constraints. In addition, we present a new effective runtime checkpoint selection strategy which dynamically selects appropriate checkpoints based on the activity completion duration. Furthermore, based on these analyses, we develop some new methods for more efficient temporal verification. These analyses and new methods help to eliminate the gap between the temporal verification and the workflow system environments.
Sponsorship	Korea Inf. Sci. Soc
Starting Page	30
Ending Page	37
File Size	186312
Page Count	8
File Format	PDF
ISBN	0769522459
ISSN	15301362
DOI	10.1109/APSEC.2004.47
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-30
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Runtime environment Software engineering Workflow management software Automatic control Internet Information technology Australia Automation Logic Uncertainty
Content Type	Text
Resource Type	Article

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