@prefix this: <https://w3id.org/np/RAPf3B_OK7X4oN7c-PLztmiuL0dIV94joR6WydTjA6Asc> .
@prefix sub: <https://w3id.org/np/RAPf3B_OK7X4oN7c-PLztmiuL0dIV94joR6WydTjA6Asc#> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix nt: <https://w3id.org/np/o/ntemplate/> .
@prefix npx: <http://purl.org/nanopub/x/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix orcid: <https://orcid.org/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .

sub:Head {
  this: np:hasAssertion sub:assertion;
    np:hasProvenance sub:provenance;
    np:hasPublicationInfo sub:pubinfo;
    a np:Nanopublication .
}

sub:assertion {
  sub:get-most-frequent-a-pred dct:description "This query returns the most frequent predicates used in assertions";
    dct:license <http://www.apache.org/licenses/LICENSE-2.0>;
    a <https://w3id.org/kpxl/grlc/grlc-query>;
    rdfs:label "Get most frequent assertion predicates";
    <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/>

select ?pred (count(distinct ?np) as ?predcount) where {
  graph npa:graph {
    ?np np:hasAssertion ?a .
  }
  graph npa:graph {
    ?np npa:hasValidSignatureForPublicKey ?pubkey .
    filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKey ?pubkey . }
  }
  graph ?a {
    ?subj ?pred ?obj .
  }
} group by ?pred
order by desc(?predcount)
limit 50""" .
}

sub:provenance {
  sub:assertion prov:wasAttributedTo orcid:0000-0002-1267-0234 .
}

sub:pubinfo {
  orcid:0000-0002-1267-0234 foaf:name "Tobias Kuhn" .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD4Wj537OijfOWVtsHMznuXKISqBhtGDQZfdO6pbb4hg9EHMcUFGTLbWaPrP783PHv8HMAAPjvEkHLaOHMIknqhaIa5236lfBO3r+ljVdYBElBcLvROmwG+ZGtmPNZf7lMhI15xf5TfoaSa84AFRd5J2EXekK6PhaFQhRm1IpSYtwIDAQAB";
    npx:hasSignature "HuKkY/zEcFsHOUTV7WTUrA/ytJUUPyYcoirSmRouCQBqk4uerLIGEiVdFkvEIV0X74qJOOHo0/h1eNkgHbHvcFHliZB8vYd7NUUpVQEp98OByEh5uguQwMiwfOGeOqwLMO8UZ8QzAAXSFgf7UNvzOajhDsFUX4sm+q+DA81p08o=";
    npx:hasSignatureTarget this:;
    npx:signedBy orcid:0000-0002-1267-0234 .
  
  this: dct:created "2025-04-02T13:45:46.334Z"^^xsd:dateTime;
    dct:creator orcid:0000-0002-1267-0234;
    dct:license <https://creativecommons.org/licenses/by/4.0/>;
    npx:introduces sub:get-most-frequent-a-pred;
    npx:wasCreatedAt <https://nanodash.knowledgepixels.com/>;
    nt:wasCreatedFromProvenanceTemplate <https://w3id.org/np/RA7lSq6MuK_TIC6JMSHvLtee3lpLoZDOqLJCLXevnrPoU>;
    nt:wasCreatedFromPubinfoTemplate <https://w3id.org/np/RA0J4vUn_dekg-U1kK3AOEt02p9mT2WO03uGxLDec1jLw>,
      <https://w3id.org/np/RAukAcWHRDlkqxk7H2XNSegc1WnHI569INvNr-xdptDGI>;
    nt:wasCreatedFromTemplate <https://w3id.org/np/RAYvkQOT9-zrcql5lzMW9OpiPjA9UvSh-RezaVwYmWvns> .
}