sub:assertion {
  sub:get-wikicite2025-participants dct:description "This query returns the list of people who declared their participation in the WikiCite 2025 event." ;
    dct:license <http://www.apache.org/licenses/LICENSE-2.0> ;
    a <https://w3id.org/kpxl/grlc/grlc-query> ;
    rdfs:label "Get the WikiCite 2025 participants" ;
    <https://w3id.org/kpxl/grlc/endpoint> <https://w3id.org/np/l/nanopub-query-1.1/repo/type/c57ab33a5dd555f386714db4cfff523b9fbdaa3b2cdd448e1ed810317280308c> ;
    <https://w3id.org/kpxl/grlc/sparql> """PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
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/>

select ?participant ?name ?np ?date where {
  graph npa:graph {
    ?np npa:hasValidSignatureForPublicKey ?pubkey .
    filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKey ?pubkey . }
    ?np dct:created ?date .
    ?np np:hasAssertion ?a .
    ?np np:hasPublicationInfo ?i .
  }
  graph ?a {
    ?participant wd:P1344 wd:Q133846580 .
  }
  graph ?i {
    ?participant foaf:name ?name .
  }
} order by desc(?date)""" .
}