The Workflow Management System Panta Rhei

Eder, Johann; Groiss, Herbert; Liebhart, Walter

doi:10.1007/978-3-642-58908-9_7

Cited by 23 publications

(12 citation statements)

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“…Panta Rhei is a prototypical workflow management system, implemented at the Department of Informatics, University of Klagenfurt [EGL97]. The basic concepts of the system are: All process information is mapped to the data space.…”

Section: Implementation Of Time Concepts In Panta Rheimentioning

confidence: 99%

ePERT: Extending PERT for Workflow Management Systems

Pozewaunig

Eder

Liebhart

1997

Electronic Workshops in Computing

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Workflows management systems support the definition and execution of business processes. While business process reeingeneering tools use time information to simulate and optimize processes, the management of time is hardly supported in workflow systems. We introduce a concept for time management for workflow systems. It consists of calculating internal deadlines for all activities within a workflow, checking time constraints and monitoring time at run-time. For the calculation of internal deadlines we extend the netdiagram technique PERT to support the structures usually found in workflows. At run-time this time information is used to pro-acticely avoid time errors and reactively resolve time failures. The concept has been implemented in our prototype workflow management system Panta Rhei.

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Section: Implementation Of Time Concepts In Panta Rheimentioning

confidence: 99%

ePERT: Extending PERT for Workflow Management Systems

Pozewaunig

Eder

Liebhart

1997

Electronic Workshops in Computing

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“…In Panta Rhei (see (Eder et. al., 1997) and (Groiss and Eder, 1995) for a detailed description) workflows are specified in the script language WDL, defining the structure of the steps in the workflow using control structures for loops, branches, and parallelism. Every such step specifies who does what with which data, for example:…”

Section: Panta Rheimentioning

confidence: 99%

Workflow systems for inter-organizational business processes

Groiss¹,

Eder²

1997

SIGGROUP Bull.

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“…The functionality of the external data source is abstracted in these plug-ins. We introduced the workflow language WDL-X (an extension of WDL [5]) which makes use of these plug-ins and provides a coherent seamless data view of workflow data and external data.…”

Section: Introductionmentioning

confidence: 99%

Synchronizing Copies of External Data in Workflow Management Systems

Eder

Lehmann

2005

Notes on Numerical Fluid Mechanics and Multidisciplinary Design

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Workflow management systems integrate applications and data resources in business processes. Frequently they have to keep local copies of data in the so called workflow repository. We introduce and define synchronization policies for these copies with their external data sources ranging from the provision of fully synchronized replications of external data sources to unsynchronized storage of read results. We analyze in detail the effects of combining various pull and push policies and show in an example how these policies can be used in different situations.

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The Workflow Management System Panta Rhei

Cited by 23 publications

References 0 publications

ePERT: Extending PERT for Workflow Management Systems

ePERT: Extending PERT for Workflow Management Systems

Workflow systems for inter-organizational business processes

Synchronizing Copies of External Data in Workflow Management Systems

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