sub:assertion {
  sub:get-all-views dct:description "This query returns all view declarations." ;
    dct:license <http://www.apache.org/licenses/LICENSE-2.0> ;
    a <https://w3id.org/kpxl/grlc/grlc-query> ;
    rdfs:label "Get all views" ;
    <https://w3id.org/kpxl/grlc/endpoint> <https://w3id.org/np/l/nanopub-query-1.1/repo/type/c01fe3f6d4b0468f7a68e533665ff8bb7dbf91a56862b69505b9533ca9ee1884> ;
    <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 ?view ?view_label ?query ?space ?date ?np (\"^\" as ?np_label) where {
  graph npa:graph {
    ?np npa:hasValidSignatureForPublicKeyHash ?pubkey .
    filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pubkey . }
    ?np dct:created ?date .
    ?np np:hasAssertion ?a .
  }
  graph ?a {
    ?view a gen:SpaceQueryView .
    ?view dct:title ?view_label .
    ?view gen:hasViewQuery ?query .
    optional { ?view gen:isViewForSpace ?space . }
  }
} order by desc(?date)""" .
}