sub:assertion {
  sub:get-sub-resources dct:description "This query returns the sub-resources of a Space or Maintained Resource." ;
    dct:license <http://www.apache.org/licenses/LICENSE-2.0> ;
    a <https://w3id.org/kpxl/grlc/grlc-query> ;
    rdfs:label "Get sub-resources of Space or Maintained Resource" ;
    <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 dct: <http://purl.org/dc/terms/>
prefix np: <http://www.nanopub.org/nschema#>
prefix npa: <http://purl.org/nanopub/admin/>
prefix npx: <http://purl.org/nanopub/x/>
prefix gen: <https://w3id.org/kpxl/gen/terms/>

select ?space ?space_label ?entity_main_type ?np where {
  graph npa:graph {
    values ?entity_main_type { gen:Space gen:MaintainedResource }
    ?np npx:hasNanopubType ?entity_main_type .
    ?np npx:introduces ?space .
    ?np npa:hasValidSignatureForPublicKeyHash ?pubkey .
    filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pubkey . }
    ?np dct:created ?date .
    ?np np:hasAssertion ?a .
  }
  graph ?a {
    { {
        values ?_super_resource_multi_iri {}
        ?space a ?entity_main_type .
        filter(strstarts(str(?space), concat(str(?_super_resource_multi_iri), \"/\")))
      } union {
        values ?_super_resource_multi_iri {}
        ?space a gen:Space .
        ?space dct:isPartOf ?_super_resource_multi_iri .
      } union {
        values ?_super_resource_multi_iri {}
        ?space a gen:MaintainedResource .
        ?space gen:isMaintainedBy ?_super_resource_multi_iri .
    } }
    filter exists { ?space a ?__resource_type_iri }
    ?space rdfs:label ?space_label .
  }
} order by ?space_label""" .
}