YAWL: Restarting Tasks with Stateless Reallocation
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| Format: | Recurso digital |
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Zenodo
2025
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| _version_ | 1866901534542921728 |
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| author | Hense, Andreas |
| author_facet | Hense, Andreas |
| contents | <p>This video introduces the concept of stateless reallocation as implemented in the Yet Another Workflow Language (YAWL). It addresses scenarios in which a task is reassigned after execution has already begun, but without preserving any intermediate state or data. In such cases, the newly assigned resource must restart the task from the beginning.</p> <p>The video demonstrates how stateless reallocation enables a clear handover of responsibility while intentionally discarding any previously entered information. A flash-based animation illustrates this behavior at runtime, highlighting the distinction between reallocating responsibility and retaining execution state.</p> <p>The implementation of stateless reallocation is shown through the configuration of a specific task privilege in YAWL. This ensures that only authorized users can trigger reallocation and that the workflow semantics remain well-defined when a task is restarted.</p> <p>The video is part of the basic YAWL tutorial series, which provides an introduction to the installation, configuration, and use of the YAWL Workflow Management System:<br>https://www.youtube.com/playlist?list=PL4BZgFsmRzfSEP_8nCqHt3N2X_XzRNen2</p> <p>This video corresponds to Video #81 of the YAWL Series. Supplementary material for this tutorial and related videos is available on GitHub:<br>https://github.com/ahense/YAWL</p> <p>The complete set of materials can be downloaded via “Code → Download ZIP”. The resources relevant to this tutorial are located in the folder corresponding to the tutorial number.</p> <p>From a conceptual perspective, the video relates to the Stateless Reallocation pattern, as documented on the Workflow Patterns website:<br>http://www.workflowpatterns.com/patterns/resource</p> <p>Additional theoretical background is provided in the book Workflow Patterns, published by MIT Press:<br>https://mitpress.mit.edu/9780262029827/workflow-patterns</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_18333386 |
| institution | Zenodo |
| language | |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | YAWL: Restarting Tasks with Stateless Reallocation Hense, Andreas <p>This video introduces the concept of stateless reallocation as implemented in the Yet Another Workflow Language (YAWL). It addresses scenarios in which a task is reassigned after execution has already begun, but without preserving any intermediate state or data. In such cases, the newly assigned resource must restart the task from the beginning.</p> <p>The video demonstrates how stateless reallocation enables a clear handover of responsibility while intentionally discarding any previously entered information. A flash-based animation illustrates this behavior at runtime, highlighting the distinction between reallocating responsibility and retaining execution state.</p> <p>The implementation of stateless reallocation is shown through the configuration of a specific task privilege in YAWL. This ensures that only authorized users can trigger reallocation and that the workflow semantics remain well-defined when a task is restarted.</p> <p>The video is part of the basic YAWL tutorial series, which provides an introduction to the installation, configuration, and use of the YAWL Workflow Management System:<br>https://www.youtube.com/playlist?list=PL4BZgFsmRzfSEP_8nCqHt3N2X_XzRNen2</p> <p>This video corresponds to Video #81 of the YAWL Series. Supplementary material for this tutorial and related videos is available on GitHub:<br>https://github.com/ahense/YAWL</p> <p>The complete set of materials can be downloaded via “Code → Download ZIP”. The resources relevant to this tutorial are located in the folder corresponding to the tutorial number.</p> <p>From a conceptual perspective, the video relates to the Stateless Reallocation pattern, as documented on the Workflow Patterns website:<br>http://www.workflowpatterns.com/patterns/resource</p> <p>Additional theoretical background is provided in the book Workflow Patterns, published by MIT Press:<br>https://mitpress.mit.edu/9780262029827/workflow-patterns</p> |
| title | YAWL: Restarting Tasks with Stateless Reallocation |
| url | https://doi.org/10.5281/zenodo.18333386 |