We want to publish statistical data with the Context Broker:

But data means nothing without metadata, so we want also to publish metadata:

Metadata comes in many flavors and many standards:

For the sake of simplicity, we can start with structural metadata:

We can also start with one specific kind of data, dimensional or cube data:

If we shift to a model view, the question becomes interoperability of the SDMX Information Model (or its Data Cube transposition) with NGSI-LD:

But we should keep in mind that there are other kind of metadata:

And we should keep in mind that dimensional data is just one type of data, and there are other kinds that can for example be covered by CDI-DDI:
