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1 1  == Introduction ==
2 2  
3 -Computational provenance is a record of all the steps in a computational scientific workflow, including the code that was run, input data, the computational environment (hardware, OS, compiler versions, library version...), and output data.
3 +Computational provenance is a record of all the steps in a computational scientific workflow, including the code that was run, input data, the computational environment (hardware, OS, compiler versions, library version...), the person who performed each step, and output data.
4 4  
5 5  Capturing computational provenance facilitates:
6 6  
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8 8  * management and tracking of workflows/projects by the scientists/engineers involved
9 9  * evaluation/review by other scientists and engineers
10 10  
11 -
12 12  
13 13  == Standards ==
14 14  
15 -Information about the W3C PROV ontology and related tools
14 +The [[W3C PROV standard>>https://www.w3.org/TR/2013/NOTE-prov-overview-20130430/||rel="noopener noreferrer" target="_blank"]] provides a data model and related tools for provenance interchange on the web. The following diagram shows the three base classes of the PROV data model: Entity, Activity, and Agent. These three classes form the basis for the representation of provenance in the EBRAINS Knowledge Graph: every node in the KG has a type which is a subclass of one of these base classes.
16 16  
16 +[[image:starting-points.svg||alt="The three Starting Point classes of the W3C PROV ontology and the properties that relate them."]]
17 17  
18 18  == Storage of provenance in the Knowledge Graph ==
19 19  
20 +We present here the current schemas for representing (a) data analysis and (b) simulations in the Knowledge Graph. These schemas will need to be extended to cover neurorobotics simulations, and probably a more explicit representation of pipelines/workflows (the chaining together of multiple analysis / simulation stages) will be needed.
20 20  
21 21  == Tools for automated capture of provenance ==
22 22  
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32 32  
33 33  * local cache and synchronization?
34 34  
35 -
36 36  == User interfaces for browsing, visualizing, and searching provenance information ==
37 37  
38 38  
Workflow provenance in the EBRAINS KG.svg
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