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v2026.11,772 entries · CC-BY 4.0
Dictionary termTrack BProposedv2026.2

Data commons

A shared data resource — often combined with shared computing and analysis tools — governed by a community under defined access and contribution rules, designed to enable many users to use and add to the resource for collective benefit.

ByCASRAI Editorial Board
· Last updated 23 Aug 2026
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Examples

Worked examples

  • Is an instance

    NCI Genomic Data Commons (gdc.cancer.gov) hosting TCGA and many other cancer-genomic datasets.

  • Is an instance

    AnVIL (NHGRI Analysis Visualization and Informatics Lab-space) for human-genomic data analysis.

Counter-examples

Looks similar, but isn't

  • Not an instance

    A read-only data dump on a website is not a data commons.

  • Not an instance

    A single-institution dataset with no shared tooling or governance is not a data commons.

Editorial commentary

A data commons is a research-data infrastructure that co-locates a curated dataset (or federation of datasets) with the compute and tooling needed to analyse it, under an explicit governance body and a contribution/access policy — rather than simply hosting files for download. Grossman et al.’s 2016 ‘A Case for Data Commons’ names four defining components: a curated data set (or federation of sets); shared compute and tooling co-located with the data so analysis happens near the data rather than after a bulk download; a governance body responsible for the commons’ operation; and a contribution/access policy balancing inclusion and reuse against protecting sensitive data and contributor rights. The term draws on Elinor Ostrom’s work on commons governance, adapted to a research-data context, and is widely used in biomedical and earth-science research infrastructure.

Examples

The NIH National Cancer Institute’s Genomic Data Commons (GDC), the NIH Common Fund Data Ecosystem (CFDE), and AnVIL (a cloud-based genomic-analysis commons funded by NHGRI) are commonly cited exemplars — each pairs a specific curated dataset with dedicated compute and an explicit governance and access-policy layer.

How this differs from a data hub, a data lake, and national data infrastructure

A data hub aggregates and harmonises data from multiple upstream sources into one opinionated model, but does not require co-located compute or a formal governance body as a defining feature. A data lake is a raw, schema-on-read storage pattern with no governance-body or access-policy requirement built into the definition at all. National data infrastructure operates one level up again: it names a funder- or government-level coordinating programme (such as the UK Data Service or Germany’s NFDI) that may fund or operate several data commons, hubs, or repositories, rather than being an architecture pattern for a single dataset ecosystem itself. A data commons is the specific combination of curated data, co-located compute, governance, and access policy around one dataset or federation; the other three terms name different, adjacent patterns.

References

  • Grossman R.L. et al., ‘A Case for Data Commons: Toward Data Science as a Service’, Computing in Science & Engineering 18(5), 2016.

Also known as

Research data commons

Machine-readable encodings

Use in your systems

JATS XML <role> element
xml
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Schema.org DefinedTerm (JSON-LD)
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  "datePublished": "2026-05-21T02:17:49",
  "dateModified": "2026-08-23T04:44:18",
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