Examples
Worked examples
- Is an instance
EMODnet as a marine data hub aggregating from member institutes across Europe.
- Is an instance
Health Data Research UK's Innovation Gateway as a hub indexing UK health datasets and brokering access requests.
Counter-examples
Looks similar, but isn't
- Not an instance
A point-to-point data integration between two systems is not a data hub.
- Not an instance
A single original-source repository is not a hub — it is a source.
Editorial commentary
Data hub is a hub-and-spoke architectural pattern. Distinct from a federated infrastructure (where data stay distributed), a data hub typically centralises a working copy of upstream data with harmonisation and quality-control. Distinct from a data lake (which is schema-on-read), a hub is usually opinionated about the harmonised model presented to consumers. In research contexts, examples include the UK Health Data Research Innovation Gateway, the European Marine Observation and Data Network (EMODnet), and many discipline-specific aggregators.
References
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Machine-readable encodings
Use in your systems
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vocab-identifier="https://casrai.org/dictionary/"
vocab-term="Data hub"
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"@type": "DefinedTerm",
"name": "Data hub",
"identifier": "https://casrai.org/dictionary/term/data-hub",
"description": "A central node in a data ecosystem that aggregates, harmonises, and brokers access to data from multiple upstream sources, exposing the harmonised data to downstream consumers via curated APIs, query interfaces, or download endpoints.",
"inDefinedTermSet": "https://casrai.org/dictionary/domain/research-data-infrastructure/",
"url": "https://casrai.org/dictionary/term/data-hub",
"sameAs": [],
"license": "https://creativecommons.org/licenses/by/4.0/"
}
