The SPASE metadata model can be expressed in many forms. One of those forms is as an XML Schema. An XML Schema is a machine readable form (see schema). Here you can find human readable documentation which includes standard model diagrams.
Search the model dictionary.
When referencing the Simulation Extensions in publications use the DOI: https://doi.org/10.48322/TXCA-X050
There is no draft version of this model.
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