sub:assertion {
  sub:get-3pff-qualifications-for-user dct:description "Returns all 3PFF qualifications issued to a given user, including qualification type, issuer, and validity period." ;
    dct:license <http://www.apache.org/licenses/LICENSE-2.0> ;
    a <https://w3id.org/kpxl/grlc/grlc-query> ;
    rdfs:label "Get 3PFF qualifications for user" ;
    <https://w3id.org/kpxl/grlc/endpoint> <https://w3id.org/np/l/nanopub-query-1.1/repo/full> ;
    <https://w3id.org/kpxl/grlc/sparql> """prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix np: <http://www.nanopub.org/nschema#>
prefix npa: <http://purl.org/nanopub/admin/>
prefix npx: <http://purl.org/nanopub/x/>
prefix dct: <http://purl.org/dc/terms/>
prefix tpff: <https://w3id.org/fair/3pff/>
prefix schema: <https://schema.org/>
prefix dcat: <https://www.w3.org/ns/dcat#>

select ?qualification ?qualification_label ?issuer ?startDate ?endDate ?np (\"^\" as ?np_label) where {
  graph npa:graph {
    ?np npx:hasNanopubType tpff:3PFF-Qualification .
    ?np npa:hasValidSignatureForPublicKeyHash ?pk .
    filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pk . }
    ?np np:hasAssertion ?a .
  }
  graph ?a {
    ?np tpff:issued-to ?_user_iri .
    ?np npx:qualifies ?qualification .
    optional { ?np schema:issuedBy ?issuer . }
    optional { ?np dcat:startDate ?startDate . }
    optional { ?np dcat:endDate ?endDate . }
  }
  bind(replace(str(?qualification), \"^.*/\", \"\") as ?qualification_label)
}
order by desc(?startDate)""" .
}