@prefix omtd: <http://w3id.org/meta-share/omtd-share/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix dc11: <http://purl.org/dc/elements/1.1/> .

omtd:FeatureExtraction
  a owl:NamedIndividual, omtd:ModelFunction, skos:Concept ;
  skos:inScheme omtd:ModelFunctionScheme ;
  skos:narrower omtd:FrequencyCount ;
  skos:topConceptOf omtd:ModelFunctionScheme ;
  rdfs:label "Feature extraction"@en ;
  rdfs:comment "Feature extraction consists in transforming arbitrary data, such as text or images, into numerical features usable for machine learning"@en ;
  dc11:source <http://scikit-learn.org/stable/modules/feature_extraction.html> ;
  skos:prefLabel "Feature extraction"@en .

skos:Concept a owl:Class .
omtd:FrequencyCount
  rdfs:label "Frequency count"@en ;
  skos:prefLabel "Frequency count"@en ;
  a omtd:ModelFunction, owl:NamedIndividual, skos:Concept ;
  skos:broader omtd:FeatureExtraction .

owl:NamedIndividual
  rdfs:label "Named individual"@en ;
  a owl:Class .

omtd:ModelFunction
  rdfs:label "Model function"@en ;
  a owl:Class .

omtd:ModelFunctionScheme
  rdfs:label "Model Function Taxonomy"@en ;
  skos:prefLabel "Model Function Taxonomy"@en ;
  a owl:NamedIndividual, skos:ConceptScheme ;
  skos:hasTopConcept omtd:FeatureExtraction .