harvested metadata catalog

A portal whose core product is other publishers' dataset metadata, harvested continuously from many source catalogues rather than hosted data itself. data.europa.eu aggregates 1,725,936 datasets from 210 catalogues across 36 countries.

In this catalog it appears concretely: - EU Open Data Portal - Telecommunications Carrier Datasets — "Continuously harvested from 210 source catalogues". - Data.gov Catalog - Telecommunications & Carrier Datasets (time coverage) — "Catalog is continuously harvested".

A label on a listing is not a deliverable. Teams that license on the strength of a product-name match routinely find the shipped files cover a narrower slice than they assumed, and backfilling history afterwards costs more than the license ever did.

The failure mode is concrete: the label appears in a listing, the delivered files tell a different story, and the gap surfaces mid-project when fixing it is most expensive.

You rarely have to take a vendor's word for it. 82.4% of the 1,744 datasets Datadory catalogs are free to access, and EU Open Data Portal - Telecommunications Carrier Datasets lets you inspect the real artifact before any budget is committed.

Treat every claim of this attribute as testable:

1. Open EU Open Data Portal - Telecommunications Carrier Datasets and confirm its record — "Continuously harvested from 210 source catalogues" — against the files you actually receive.
2. Read Data.gov Catalog - Telecommunications & Carrier Datasets's record on time coverage — "Catalog is continuously harvested" — then confirm the delivered artifact matches before you license anything.

See the term applied to real records: alternative-carriers data, broadcasting data.

Adjacent concepts worth reading next: - bounding box search - CKAN API - Data.gov Catalog - per-distribution license