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DOI has been adopted as a de facto standard for citation of scientific journal articles. As a consequence of Open Science policies and FAIR (Findable, Accessible, Interoperable, Reusable) principles, Data citation using DOIs is recommended by publishers (1). Data citation of research objects is essentially about crediting the creators and contributors. It is also fostering science reproducibility, provides provenance handles, and enhances the data discoverability and reusability. 

A DOI is a persistent identifier for research objects, which can be resolved to a landing page providing all relevant information regarding the research object. The DOI is composed of 3 parts, as shown on Figure 1. The DOI prefix part is a unique DOI namespace attributed to institutions minting DOIs. The DOI suffix is character string, which must be unique with a namespace.    

Figure 1. DOI structure breakdown.

Figure 1. DOI structure breakdown (from Datacite documentation).

Persistent identifiers are already in use within IPDA, with the LIDVIDs of the PDS4 architecture. However, their URN form is not following a web compliant scheme (e.g., starting with http://), and thus they can't be used for web reference without a proxy interface. 

Data Citation Template

A template for IPDA data citation 

Related Identifiers 

Citing other works in DOIs: related identifiers with relation type. 

See relation types in datacite schema (different from relation types in PDS4 IM, but mapping is possible)

Other Identifiers

Personal Identifier

ORCID: Open Researcher and Contributors ID. Many journal require the use of ORCID for all authors.

Recommendation on adoption ? on minimum level of open metadata ?

Example: There is a Jordan Padams  in ORCID, but its profile is not public. Affiliation would be the minimal recommended public information. For Sebastien Besse, there are 2 ORCID records, none of which have affiliation.  
Baptiste Cecconi , can find how to update the affiliation in ORCID.

Affiliation or Institutional Identifier

ROR: Research Organisation Registry.

Recommendation for usage in metadata and for adoption by all members (most are already listed, but not all) ?

Data Repository Identifier 

Re3data: Registry of Research Data Repositories. Recommendation ?


  1. Cousijn, H., Kenall, A., Ganley, E. et al. A data citation roadmap for scientific publishers. Sci Data 5, 180259 (2018).
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