Index
OpenCitations
OpenCitations is a nonprofit infrastructure that publishes data on citations between publications, open and downloadable by anyone.
How it connects
What it is
- OpenCitations is a kind of Citation index.
- OpenCitations is a kind of Open science infrastructure.
Who is behind it
- OpenCitations funded by SCOSS.
- OpenCitations governed by University of Bologna.
Builds on
- OpenCitations depends on DOI. Citation records are identified by the DOIs of the citing and cited articles.
Connects to
- OpenCitations interoperates with OpenAlex. OpenAlex includes OpenCitations' open citation data as one of its sources.
Shapes
- Barcelona Declaration on Open Research Information endorsed by OpenCitations. Listed as a supporter (infrastructure provider), not as a signatory.
Related to
- OpenCitations relates to POSI.
Links
Details
Description
OpenCitations publishes academic citation data as open linked data, which can be downloaded and reused without restrictions.
Attributes
| url | https://opencitations.net |
|---|---|
| identifiers | ror: 00wb4mk85, wikidata: Q29279836 |
| status | active |
| governance | Nonprofit |
| outputLicence | open |
| codebase | open-source |
| note | Codebase is open source (ISC-licensed OpenCitations software suite). |
| type | Index |
| indexKind | citation |
| selectivity | algorithmic |
| inclusionCriteria | partially-published |
| bulkDownload | full |
| coverageObjects | citation |
| Tags | function: indexing, openness: open content, openness: bulk downloadable |
Sources
- https://opencitations.net/(opens in a new tab) (accessed 2026-09-04)
- https://barcelona-declaration.org/signatories/(opens in a new tab) (accessed 2026-11-12): Lists the organisation under Supporters (providers of data, services and infrastructure).
Last reviewed: 2026-11-12
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