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Establishing workflow trust using provenance information

Rajbhandari, Shrija, Contes, Arnaud, Rana, Omer Farooq, Deora, Vikas and Wootten, Ian M. 2006. Establishing workflow trust using provenance information. Presented at: Modelling Autonomic Communications Environments: First IEEE International Workshop, MACE 2006, Dublin, Ireland, 25-26 October 2006. Published in: Donnelly, William, Popescu-Zeletin, Radu, Strassner, John, Jennings, Brendan and van der Meer, Sven eds. Proceedings: Modelling Autonomic Communications Environments: 1st IEEE International Workshop (MACE 2006). Multicon Lecture Notes , vol. 2. Berlin: Multicon-Verlag, p. 119.

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Workflow forms a key part of many existing Service Oriented applications, involving the integration of services that may be made available at distributed sites. It is possible to distinguish between an \abstract" workflow description outlining which services must be involved in a workflow execution and a \physical" workflow description outlining the instances of services that were used in a particular enactment. Provenance information provides a useful way to capture the physical workflow description automatically - especially if this information is captured in a standard format. Subsequent analysis on this provenance information may be used to evaluate whether the abstract workflow description has been adhered to, and to enable a user executing a work°ow-based application to establish \trust" in the outcome. An analysis tool that makes use of provenance information to assist in evaluating trust in the outcome of a workflow execution is presented. The analysis tool makes use of a rule-based engine, supporting a range of queries on the recorded information by one or more workflow enactors. The results of the analysis tool on a particular workflow scenario are presented, along with an experiment demonstrating how the analysis tool would scale as the granularity of the recorded provenance information was increased.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Computer Science & Informatics
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Additional Information: Held as part of Manweek 2006.
Publisher: Multicon-Verlag
ISBN: 9783930736058
Related URLs:
Last Modified: 14 Jan 2018 21:15

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