Example of a person that appears in archives and collections: link.
The number of IISG collection items per country.
The number of IISG collection items per municipality.
One person can appear in multiple roles. How many roles does each person have?
What are the LoC roles in which Albert Hahn appears?
When the external datasets are loaded as well, it is possible to traverse the interconnected graph: from an IISG collection item to VIAF, OCLC, Lexvo, etc. (example).
The number of IISG collection items that are linked to OCLC data:
The number of triples added to IISG collection item records through OCLC links:
Example of an IISG collection item that links to OCLC: (link).