@prefix this: <http://purl.org/np/RAuOISUD-tU17w1FkmMQ57t0pjgdBk9_9JlrOF5t_yOto> .
@prefix sub: <http://purl.org/np/RAuOISUD-tU17w1FkmMQ57t0pjgdBk9_9JlrOF5t_yOto#> .
@prefix schema: <https://schema.org/> .
@prefix bpmn: <http://dkm.fbk.eu/index.php/BPMN2_Ontology#> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dc1: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix npx: <http://purl.org/nanopub/x/> .
@prefix pplan: <http://purl.org/net/p-plan#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@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:LinguisticSystem a schema:ComputerLanguage;
    rdfs:label "python";
    rdfs:seeAlso <https://www.wikidata.org/wiki/Q28865>;
    owl:versionInfo "3.7.9.final.0" .
  
  sub:image a pplan:Variable;
    rdfs:comment "None";
    rdfs:label "image" .
  
  sub:out1 a pplan:Variable;
    rdfs:comment "None";
    rdfs:label "out1" .
  
  sub:step dc1:description """@is_fairstep(label='Convert image to grayscale')
def rgb2gray_image(image):    
    from PIL import Image
    new_image = image.convert('L')
    return new_image
""";
    dc1:language sub:LinguisticSystem;
    pplan:hasInputVar sub:image;
    pplan:hasOutputVar sub:out1;
    a bpmn:ScriptTask, pplan:Step;
    rdfs:label "Convert image to grayscale" .
}

sub:provenance {
  sub:assertion prov:generatedAtTime "2021-06-14T16:02:52.486226"^^xsd:dateTime .
}

sub:pubInfo {
  sub:assertion prov:wasDerivedFrom <http://purl.org/np/RA_53u4yrUqoWcZMyzsOCba-E5QMBdLZ7Dn_rPWUcfgU8> .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMC8tJ/NTnPLa3X73B+wxs7TTnL2yn2z1cNSywMAzbumK+o9XXnAqhdGJKzpPrWNbw3xT3XVY+Fd3mQaH2aeQxUpd/HG4HOmDoRiAeCNGzecHXwh09kzRixG0PuPPiMZ6XMG69vFosG+c2l75ceUrRM7XUs0+OZM1O0CX1aQEUaQIDAQAB";
    npx:hasSignature "wtF6PrHjpNq7ffwfqYE1nwx+wc731zeXAxttL4XyP4RIE/VYytAZ4D0PVHqbJMrMfayoG9JP8/Un5dcfQ97cILK8s7+oDeemHKH4//ivZa7coFOFdma6MmSxc2jcAfUxEWudoklSOeuf38ek2nhO3oEUhoJYroLfTvrtU/Qw9ww=";
    npx:hasSignatureTarget this: .
  
  this: npx:introduces sub:step;
    prov:generatedAtTime "2021-06-14T16:02:52.486226"^^xsd:dateTime;
    prov:wasAttributedTo <https://orcid.org/0000-0000-0000-0000> .
}