DOI

DOI
Name	Digital Object Identifier system
Formation	1997
Type	Identifier system
Headquarters	International DOI Foundation
Region served	Global

DOI

The Digital Object Identifier system provides persistent identifiers for digital objects used in publishing, archiving, and data management. It enables stable citation and access across platforms like CrossRef, DataCite, ORCID, PubMed Central, and arXiv. Stakeholders include publishers such as Elsevier, Springer Nature, and Wiley, repositories like Zenodo, and institutions including the International DOI Foundation and national libraries such as the Library of Congress.

Overview

The system was formalized through organizations including the International DOI Foundation and standards bodies like ISO; it originated from efforts by publishers and technology companies such as ProQuest and Reuters in the 1990s. Early implementations intersected with projects at CrossRef and DOAJ to address citation persistence in journals like Nature and Science. Key technical and legal frameworks involved collaborations among Elsevier, IEEE, American Chemical Society, and librarian communities at the British Library and National Library of Medicine. Adoption spread through aggregators and platforms including JSTOR, Project MUSE, and institutional repositories at universities like Harvard University and University of Oxford.

Registration and Structure

Registration is managed by registration agencies such as CrossRef and DataCite, and assigns identifiers according to rules influenced by standards developed at ISO and organizations like the International Organization for Standardization. The identifier structure encodes a registrant prefix and a suffix assigned by publishers like Taylor & Francis or repositories like Figshare; agencies operate under contracts with the International DOI Foundation. Producers register metadata with agencies including Portico and aggregators like OCLC, and metadata stewardship involves libraries such as Bibliothèque nationale de France and cataloguing initiatives at Europeana.

Assignment and Use Cases

Identifiers are assigned to scholarly articles in journals from publishers like Elsevier, monographs from presses such as Cambridge University Press, datasets deposited at repositories like Dryad and PANGAEA, and standards from organizations like IEEE Standards Association. Use cases span citation tracking in services like Scopus and Web of Science, linking in digital libraries such as HathiTrust, and preservation workflows with initiatives like LOCKSS and PORTICO. Research infrastructures including CORDIS and projects funded by bodies like the European Commission use persistent identifiers to improve discoverability and reproducibility, integrating with researcher identifiers like ORCID and institutional identifiers such as ROR.

Governance and Policies

Governance is overseen by the International DOI Foundation with policy input from registration agencies including CrossRef and DataCite, and stakeholder groups comprising publishers like Springer Nature and funders such as the Wellcome Trust and National Institutes of Health. Licensing and fee structures are negotiated with agencies and influenced by legal frameworks in jurisdictions represented by institutions like the European Union and the United States. Policy debates have involved scholarly societies including the American Chemical Society and advocacy groups such as the Scholarly Publishing and Academic Resources Coalition.

Metadata and Resolution

Metadata schemas are defined and managed by agencies such as CrossRef and DataCite, integrating descriptors used by aggregators like ORCID, catalogues at the Library of Congress, and discovery systems operated by ProQuest and EBSCO. Resolution services rely on infrastructure maintained by the International DOI Foundation and technical providers including CNRI and mirror services used by archives like Internet Archive. Metadata supports citation linking in services like Google Scholar and persistent access in repositories including PubMed Central and institutional archives at universities such as Massachusetts Institute of Technology.

Criticisms and Limitations

Critiques have been raised by librarians at institutions like Columbia University and advocates in organizations such as the Open Access Scholarly Publishers Association regarding cost structures imposed by registration agencies and access barriers for smaller publishers and repositories. Technical limitations discussed in forums involving W3C and standards bodies include metadata inconsistency and resolution dependencies highlighted by incidents at platforms like arXiv and outages affecting services used by CrossRef members. Alternatives and complements promoted by communities around Freely Available Data and initiatives from SPARC examine decentralised identifiers used in projects at Mozilla and research into distributed ledgers by consortia including Hyperledger.

Category:Identifiers