sub:assertion {
  sub:get-autocomplete-suggestions dct:description "This query returns autocomplete suggestions for full-text queries. The 'query' parameter needs to be a single token ending in '*', e.g. 'ab*'." ;
    dct:license <http://www.apache.org/licenses/LICENSE-2.0> ;
    a <https://w3id.org/kpxl/grlc/grlc-query> ;
    rdfs:label "Get autocomplete suggestions" ;
    <https://w3id.org/kpxl/grlc/endpoint> <https://w3id.org/np/l/nanopub-query-1.1/repo/text> ;
    <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 search: <http://www.openrdf.org/contrib/lucenesail#>

select distinct ?suggestion {
  { select ?suggestion where {
    graph npa:graph {
      ?np rdfs:label ?label .
      ?np npa:hasValidSignatureForPublicKey ?pubkey .
      ?np dct:created ?date .
      filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKey ?pubkey . }
    }
    filter(!contains(?_query, \" \"))
    filter(strEnds(?_query, \"*\"))
    ?np search:matches [
      search:query ?_query ;
      search:property rdfs:label ;
      search:score ?score ;
      search:snippet ?snippet ] .
    bind(replace(?snippet, \".*<B>(.*)</B>.*\", \"$1\") as ?suggestion)
  } limit 100 }
} group by ?suggestion""" .
}