OpenCitations is an independent infrastructure organization for open scholarship dedicated to the publication of open bibliographic and citation data by the use of Semantic Web (Linked Data) technologies. It is also engaged in advocacy for open citations, particularly in its role as a key founding member of the Initiative for Open Citations (I4OC). For administrative convenience, OpenCitations is managed by the separate newly formed Research Centre for Open Scholarly Metadata at the University of Bologna. OpenCitations espouses fully the founding principles of Open Science. It complies with the FAIR data principles by Force11 that data should be findable, accessible, interoperable and re-usable, and it complies with the recommendations of I4OC that citation data in particular should be structured, separable, and open. On the latter topic, OpenCitations has recently published a formal definition of an Open Citation, and has launched a system for globally unique and persistent identifiers (PIDs) for bibliographic citations – Open Citation Identifiers (OCIs).
| Website | http://opencitations.net |
| Revenue | $1 million |
| Employees | 4 (1 on RocketReach) |
| Founded | 2016 |
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| Industry | IT Services and IT Consulting, Law Firms & Legal Services |
| Keywords | Bibliographic Data, Semantic Web, Linked Data, Open Data, Research Data, Academic Data, Citation Analysis, Bibliometrics, Altmetrics, Open Access, Research Infrastructure, Data Infrastructure, Knowledge Graph, Data Publishing, Scholarly Communication, Information Science, Data Science |
| Competitors | Microsoft, Google, The National Institutes of Health, Penn State University, ResearchGate, Crossref, Semantic Scholar, Manchester Journal of Transnational Islamic Law & Practice, arXiv, Dimensions +35 more (view full list) |
| SIC | SIC Code 822 Companies, SIC Code 82 Companies |
| NAICS | NAICS Code 6113 Companies, NAICS Code 611 Companies, NAICS Code 611310 Companies, NAICS Code 61 Companies, NAICS Code 61131 Companies |
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The OpenCitations annual revenue was $1 million in 2026.
David Shotton is the Founder and Director of OpenCitations.
1 people are employed at OpenCitations.
OpenCitations is based in Bologna, Emilia-Romagna.
The NAICS codes for OpenCitations are [6113, 611, 611310, 61, 61131].
The SIC codes for OpenCitations are [822, 82].