2013-05-29 Taverna Provenance (pptx source)


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Slide deck presenting the Provenance support of Taverna workflow system, detailing architecture, ontologies and how results are exported as Research Object bundles, including the PROV-O provenance of the workflow run.

This is the original PPTX version (PowerPoint 2013), for PDF version see http://www.slideshare.net/soilandreyes/20130529-taverna-provenance

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2013-05-29 Taverna Provenance (pptx source)

  1. 1. TAVERNAPROVENANCEStian Soiland-Reyes, University of Manchesterhttps://github.com/wf4ever/taverna-provThis work is licensed under aCreative Commons Attribution 3.0 UnportedLicense2013-05-29
  2. 2. ARCHITECTUREProvenanceWorkflowWorkflow runProcess run (iteration)Parameter bindingsDataListsValuesReferencesErrorsProcess1portA B CD EProcess2portA B CD EInvokeRetryFailoverLoopError bounceProvenanceParalleliseProcessordispatch stacklayer injected by pluginP Missier, S Soiland-Reyes, S Owen, W Tan, A Nenadic, I Dunlop, CGoble: (2010, January). Taverna, reloaded. In Scientific andStatistical Database Management (pp. 471-481). Springer BerlinHeidelberg. DOI 10.1007/978-3-642-13818-8_33captures provenance traceWorkflow execution
  3. 3. ONTOLOGY STACKtavernaprov• Lists, errors, byte content, checksumswfprov + wfdesc• Workflow execution, parameters, processesPROV-O• Activity start/stop, generation of valueshttp://purl.org/wf4ever/wfprov#http://www.w3.org/ns/prov-o#http://ns.taverna.org.uk/2012/tavernaprov/
  4. 4. INTERMEDIATE RESULTS• Within the Taverna Workbench, the provenance database isused for showing intermediate results and previous runsClicking a processorInputs and outputs of individual invocations
  5. 5. WORKFLOW RESULTS (FOLDER)workflowrun.prov.ttl(RDF)outputA.txtoutputC.jpgoutputB/Folder structureintermediates/1.txt2.txt3.txtde/def2e58b-50e2-4949-9980-fd310166621a.txtWorkflow outputs, one file per valueProvenance traceValues from intermediate steps in workflow
  6. 6. WORKFLOW RESULTS (BUNDLE)workflowrun.prov.ttl(RDF)outputA.txtoutputC.jpgoutputB/https://w3id.org/bundleintermediates/1.txt2.txt3.txtde/def2e58b-50e2-4949-9980-fd310166621a.txt .ro/manifest.jsoninputA.txtworkflowURIreferencesattributionexecutionenvironmentAggregating in Research ObjectZIP folder structure (RO Bundle)mimetypeapplication/vnd.wf4ever.robundle+zip
  7. 7. ACKNOWLEDGEMENTS• Paolo Missier – initial provenance engine for Taverna 2• Ian Dunlop – provenance capture execution layer• Khalid Belhajjame – ontologies• Alexandra Nenadic – intermediates, folder structure• W3C Provenance working group – PROV-O• Funded by European Commission’s 7th FWP FP7-ICT-2007-6270192 and ESPRC platform grant EP/G026238/1
  8. 8. QUESTIONS?Twitter: @soilandreyesSkype: soilandEmail: support@mygrid.org.ukhttp://soiland-reyes.com/stian/work/http://practicalprovenance.wordpress.com/