RO Model Core
The core concepts of research objects, identity, aggregation, and annotation, are captured in the specification of the ro model. The specification of this core research object model is described in the ro ontology under the namespace http://purl.org/wf4ever/ro#.
Extensions
There are also the following ontology implementations of extensions to the core research object model:
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The roevo model describing the evolution of a Research Object and its aggregated resources, which is also based on the W3C PROV Ontology recommendation
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The wfprov provenance model describing the execution of a scientific workflow, which is based on the latest W3C PROV Ontology recommendation.
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The wfdesc model describing scientific workflow protocols, see below, to facilitate interpretation and reuse of scientific workflow