sub:assertion {
  sub:get-fer-ids dct:description "This query returns the IDs of FAIR-Enabling Resources (FERs), including older outdated IDs." ;
    dct:license <http://www.apache.org/licenses/LICENSE-2.0> ;
    a <https://w3id.org/kpxl/grlc/grlc-query> ;
    rdfs:label "Get FER IDs" ;
    <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 fip: <https://w3id.org/fair/fip/terms/>
prefix dct: <http://purl.org/dc/terms/>
prefix dce: <http://purl.org/dc/elements/1.1/>
prefix npa: <http://purl.org/nanopub/admin/>
prefix npx: <http://purl.org/nanopub/x/>
prefix np: <http://www.nanopub.org/nschema#>
prefix dcat: <https://www.w3.org/ns/dcat#>

select distinct ?resource_id ?np_pre ?pubkey_hash ?np_pre_pubkey_hash where {
  graph npa:graph {
    ?np_pre npa:hasValidSignatureForPublicKeyHash ?pubkey_hash .
    ?np_pre np:hasAssertion ?res_a .
    ?np_pre (npx:introduces|npx:describes) ?resource_id .
    values ?resourcetype { fip:Available-FAIR-Enabling-Resource fip:FAIR-Enabling-Resource-to-be-Developed fip:FAIR-Enabling-Resource }
    ?np_pre npx:hasNanopubType ?resourcetype .
  }
  bind(concat(str(?np_pre), \" \", ?pubkey_hash) as ?np_pre_pubkey_hash)
} order by ?resource_id ?np_pre""" .
}