@prefix this: <https://purl.org/fair-metrics/FM_F1B#nanopub.RAoVkOYeyfFzQeN8SvIavD4YATjuwufabc7jHrChqR7Z0> .
@prefix sub: <https://purl.org/fair-metrics/FM_F1B#nanopub.RAoVkOYeyfFzQeN8SvIavD4YATjuwufabc7jHrChqR7Z0.> .
@prefix metrics: <https://purl.org/fair-metrics/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix dcelem: <http://purl.org/dc/elements/1.1/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix pav: <http://swan.mindinformatics.org/ontologies/1.2/pav/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix fair: <http://purl.org/fair-ontology#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix fm: <https://purl.org/fair-metrics/terms/> .

sub:Head {
  this: np:hasAssertion sub:assertion;
    np:hasProvenance sub:provenance;
    np:hasPublicationInfo sub:pubinfo;
    a np:Nanopublication .
}

sub:assertion {
  metrics:FM_F1B a fair:FAIR-Metric;
    foaf:primaryTopic fair:F1 .
}

sub:provenance {
  sub:_1 dcelem:format "application/x-texinfo";
    a <http://rdfs.org/ns/void#Dataset>, dcat:Distribution;
    dcat:downloadURL <https://raw.githubusercontent.com/FAIRMetrics/Metrics/master/Distributions/FM_F1B.tex> .
  
  sub:_2 dcelem:format "application/pdf";
    a <http://rdfs.org/ns/void#Dataset>, dcat:Distribution;
    dcat:downloadURL <https://raw.githubusercontent.com/FAIRMetrics/Metrics/master/Distributions/FM_F1B.pdf> .
  
  sub:assertion dcterms:author "Erik Schultes", "Luiz Bonino", "Mark Wilkinson", "Michel Dumontier",
      "Peter Doorn", "Susanna Sansone";
    dcterms:title "Identifier persistence";
    rdfs:comment "FAIR Metric for Fair Principle F1";
    dcat:distribution sub:_1, sub:_2;
    prov:wasGeneratedBy "FAIR Metrics Working Group";
    fm:comments """A first version of this metric would focus on just checking a URL that resolves to a document. We can't verify that document. 
A second version would indicate how to structure the data policy document with a particular section (similar to how the CC licenses now have a formal structure in RDF).
A third version would insist that that document and section is signed by an approved organization and made available in an appropriate repository.""";
    fm:examples """for each of the 'canonical' data types, examples, if available. 
 @todo 
 
 FAIR principles (scholarly publication in Nature Scientific Data)
 \\verb|https://www.doi.org/overview/DOI_article_ELIS3.pdf| 
 http://www.nature.com/developers/
 documentation/metadata-resources/doi/ 
 
 FAIR Principles (computable representation):  
 https://github.com/FAIRDataInitiative/
 \\verb|FAIR-principles#fair-principles| 
 For DSA-certified repositories (example below of 3TU-Datacentre at Delft) the identifier persistence policy is described in the self assessment:
 https://assessment.datasealofapproval.org/
 \\verb|assessment_187/seal/pdf/| 
 
DOI Handbook - ensuring persistence:
 \\verb|http://www.doi.org/doi_handbook/| 
\\verb|6_Policies.html#6.5}|""";
    fm:measuring "Whether there is a policy that describes what the provider will do in the event an identifier scheme becomes deprecated.";
    fm:procedure "Use an HTTP GET on URL provided.";
    fm:rationale "The change to an identifier scheme will have widespread implications for resource lookup, linking, and data sharing. Providers of digital resources must ensure that they have a policy to manage changes in their identifier scheme, with a specific emphasis on maintaining/redirecting previously generated identifiers.";
    fm:relevance "All";
    fm:requirements "A URL that resolves to a document containing the relevant policy.";
    fm:validation "Present (a 200,202,203 or 206 HTTP response after resolving all and any prior redirects. e.g. 301 -> 302 -> 200 OK) or Absent (any other HTTP code)" .
}

sub:pubinfo {
  this: dcterms:created "2017-11-20T00:00:00.0Z"^^xsd:dateTime;
    dcterms:rights <https://creativecommons.org/publicdomain/zero/1.0>;
    dcterms:rightsHolder <http://go-fair.org>;
    pav:authoredBy "Mark Wilkinson", <https://orcid.org/0000-0001-6960-357X>;
    pav:versionNumber "1" .
}