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Preprint Open Access

CWLProv - Interoperable Retrospective Provenance capture and its challenges

Farah Zaib Khan; Stian Soiland-Reyes; Michael R. Crusoe; Andrew Lonie; Richard O. Sinnott

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  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.1215611", 
  "title": "CWLProv - Interoperable Retrospective Provenance capture and its challenges", 
  "issued": {
    "date-parts": [
  "abstract": "<p>The automation of data analysis in the form of scientific workflows is a widely adopted practice in many fields of research nowadays. Computationally driven data-intensive experiments using workflows enable <strong>A</strong>utomation, <strong>S</strong>caling, <strong>A</strong>daption and <strong>P</strong>rovenance support (ASAP).</p>\n\n<p>However, there are still several challenges associated with the effective sharing, publication, understandability and reproducibility of such workflows due to the incomplete capture of provenance and the dependence on particular technical (software) platforms. This paper presents <strong>CWLProv</strong>, an approach for retrospective provenance capture utilizing open source community-driven standards involving application and customization of workflow-centric <a href=\"\">Research Objects</a> (ROs).</p>\n\n<p>The ROs are produced as an output of a workflow enactment defined in the <a href=\"\">Common Workflow Language</a> (CWL) using the CWL reference implementation and its data structures. The approach aggregates and annotates all the resources involved in the scientific investigation including inputs, outputs, workflow specification, command line tool specifications and input parameter settings. The resources are linked within the RO to enable re-enactment of an analysis without depending on external resources.</p>\n\n<p>The workflow provenance profile is represented in W3C recommended standard <a href=\"\">PROV-N</a> and <a href=\"\">PROV-JSON</a> format to capture retrospective provenance of the workflow enactment. The workflow-centric RO produced as an output of a CWL workflow enactment is expected to be interoperable, reusable, shareable and portable across different plat-<br>\nforms.</p>\n\n<p>This paper describes the need and motivation for <a href=\"\">CWLProv</a> and the lessons learned in applying it for ROs using CWL in the bioinformatics domain.</p>", 
  "author": [
      "family": "Farah Zaib Khan"
      "family": "Stian Soiland-Reyes"
      "family": "Michael R. Crusoe"
      "family": "Andrew Lonie"
      "family": "Richard O. Sinnott"
  "note": "<CWLProv-ProvenanceWeek_2018_paper_7.pdf> is preprint, which was submitted for consideration at IPAW 2018.\n<> is Research Object of described workflow run.\n<> is CWLProv-enabled cwltool reference implementation used.", 
  "type": "article", 
  "id": "1215611"
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