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. 2023 Jun 1;14:6. doi: 10.1186/s13326-023-00286-8

Table 4.

Indicators for FAIR vocabulary features. Alignment between the FAIR vocabulary features and RDA data maturity level indicators

FAIR vocabulary Feature RDA indicator ID Indicator
FVF-1: Vocabulary and their terms are assigned globally unique and persistent identifiers. RDA-F1-01M Metadata is identified by a persistent identifier
RDA-F1-01D Data is identified by a persistent identifier
RDA-F1-02M Metadata is identified by a globally unique identifier
RDA-F1-02D Data is identified by a globally unique identifier
FVF-2: Vocabularies and their terms have rich metadata. RDA-F2-01M Rich metadata is provided to allow discovery
FVF-3: Vocabularies and their terms can be accessed using the identifiers, preferably by both humans and machines. RDA-A1-01M Metadata contains information to enable the user to get access to the data
RDA-A1-02M Metadata can be accessed manually(i.e. with human intervention)
RDA-A1-02D Data can be accessed manually(i.e. with human intervention)
RDA-A1-03M Metadata identifier resolves to a metadata record
RDA-A1-03D Data identifier resolves to a digital object
RDA-A1-05D Data can be accessed automatically(i.e. by a computer program)
FVF-4: Vocabularies and their terms are registered or indexed in a searchable engine or a resource. RDA-F4-01M Metadata is offered in such a way that it can be harvested and indexed
FVF-5: Vocabularies and their terms are retrievable using a standardised communications protocol, preferably open, free and universally implementable protocols. and allows for authentication and authorisation, where necessary. RDA-A1-04M Metadata is accessed through standardised protocol
RDA-A1-04D Data is accessible through standardised protocol
RDA-A1.1-01M Metadata is accessible through a free access protocol
RDA-A1.1-01D Data is accessible through a free access protocol
RDA-A1.2-01D Data is accessible through an access protocol that supports authentication and authorisation
FVF-6: Vocabularies and their terms are persistent over time and are appropriately versioned. RDA-A2-01M Metadata is guaranteed to remain available after data is no longer available
RDA-R1.2-01M Metadata includes provenance information according to community-specific standards
RDA-R1.2-02M Metadata includes provenance information according to a cross-community language
FVF-7: Vocabularies and their terms use a formal, accessible and broadly applicable, and preferably machine-understandable language for knowledge representation. RDA-I1-01M Metadata uses knowledge representation expressed in standardised format
RDA-I1-01D Data uses knowledge representation expressed in standardised format
RDA-I1-02M Metadata uses machine-understandable knowledge representation
RDA-I1-02D Data uses machine-understandable knowledge representation
FVF-8: Vocabularies and terms use qualified references to other vocabularies. RDA-I3-02D Data includes qualified references to other data
RDA-I3-03M Metadata includes qualified references to other metadata
FVF-9: Vocabularies and terms are described with a plurality of accurate and relevant attributes. RDA-R1-01M Plurality of accurate and relevant attributes are provided to allow reuse
FVF-10: Vocabularies are released with a standard data usage licence, preferably a machine-readable licence. RDA-R1.1-01M Metadata includes information about the licence under which the data can be reused
RDA-R1.1-02M Metadata refers to a standard reuse licence
RDA-R1.1-03M Metadata refers to a machine-understandable reuse licence
FVF-11: Vocabularies meet domain relevant community standards. RDA-R1.3-01M Metadata complies with a community standard
RDA-R1.3-01D Data complies with a community standard
RDA-R1.3-02M Metadata is expressed in compliance with a machine-understandable community standard
RDA-R1.3-02D Data is expressed in compliance with a machine-understandable community standard