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Data Catalog

A data catalog is a collection of one or more datasets that has a specific topical manner, like "COVID datasets" or "Company registries". Datasets itself can be in multiple catalogs.

A catalog is found remotely as a JSON file that holds the metadata and references resource files for the included datasets.


Common catalogs:


The catalog model for investigraph is adapted from the nomenklatura library.

It requires one property, datasets, which is a list of datasets

    "datasets": [ ... ],
    "updated_at": ""  # optional

There are more properties found in different catalogs (e.g. OpenSanctions) that are useful for rendering the catalog metadata and ingesting it's datasets.