I3: (meta)data include qualified references to other (meta)data

It's more powerful when our references are indexed by nature rather than by number. On the 11th of the 15 FAIR principles, I3: metadata and data include qualified references to other metadata and data.
In the W3C Provenance Ontology:
https://www.w3.org/TR/prov-o/#wasDerivedFrom

The HTML Anchor Element:
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a