@prefix this: <https://w3id.org/np/RAaKXYMunUKMkbYpgc4PmTji21pS0Ox1hsiVLiV-AfiUU> .
@prefix sub: <https://w3id.org/np/RAaKXYMunUKMkbYpgc4PmTji21pS0Ox1hsiVLiV-AfiUU/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dct: <http://purl.org/dc/terms/> .
@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#> .

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

sub:assertion {
  sub:get-poster-presentations-for-event dct:description "Returns all poster presentations for a given event, with title, date, authors, and nanopub link.";
    dct:license <http://www.apache.org/licenses/LICENSE-2.0>;
    a <https://w3id.org/kpxl/grlc/grlc-query>;
    rdfs:label "Get poster presentations for event";
    <https://w3id.org/kpxl/grlc/endpoint> <https://w3id.org/np/l/nanopub-query-1.1/repo/type/61e9c0168586a3ddcef2b010c69b596ac2529760aeb82231962c228c5a63b8eb>;
    <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 ?poster ?poster_label ?date
  (group_concat(str(?author); separator=\" \") as ?authors_multi_iri)
  (group_concat(replace(replace(?authorname, \"\\\\\\\\\", \"\\\\\\\\\\\\\\\\\"), \"\\\\n\", \"\\\\\\\\n\"); separator=\"\\n\") as ?authors_label_multi)
  ?np (\"^\" as ?np_label)
where {
  graph npa:graph {
    ?np npa:hasValidSignatureForPublicKeyHash ?pubkey .
    filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pubkey . }
    filter not exists { ?np npx:hasNanopubType npx:ExampleNanopub . }
    ?np dct:created ?npdate .
    ?np np:hasAssertion ?a .
    ?np npx:introduces ?poster .
  }
  values ?_event_multi_iri {}
  graph ?a {
    ?poster a gen:PosterPresentation .
    ?poster dct:isPartOf ?_event_multi_iri .
    ?poster dct:creator ?author .
    optional { ?author rdfs:label ?authorname . }
    optional { ?poster rdfs:label ?poster_label . }
    optional { ?poster dct:date ?date . }
  }
}
group by ?poster ?poster_label ?date ?np
order by desc(?date)""" .
}

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

sub:pubinfo {
  this: dct:created "2026-03-23T11:26:26Z"^^xsd:dateTime;
    dct:creator orcid:0000-0002-1267-0234;
    dct:license <https://creativecommons.org/licenses/by/4.0/>;
    npx:introduces sub:get-poster-presentations-for-event .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB";
    npx:hasSignature "nmIrf44iRk3nPfUj8+k1KOwLOp3NnJQJWDgrVzIet7e5tnBVG+V5QnR8Zf3TALCf0bK2wKbEAyZlmGB7JM1K8qjFKryz6D1MheZF/IrLFaqsfDHCQfrV4/KmbFb0PPFIuPNRQ01rBbhOjCwZYiLRVZ05BrI6xRGxL05ViUxotNE=";
    npx:hasSignatureTarget this:;
    npx:signedBy orcid:0000-0002-1267-0234 .
}