@prefix wd: <http://www.wikidata.org/entity/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix zbwext: <http://zbw.eu/namespaces/zbw-extensions/> .
@prefix gnd: <https://d-nb.info/gnd/> .
@prefix ns0: <http://purl.org/ontology/gbv/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix void: <http://rdfs.org/ns/void#> .

wd:Q164296
  rdfs:label "Variationsmethode"@de, "Variational method"@en ;
  skos:prefLabel "Variationsmethode"@de, "Variational method"@en ;
  skos:broadMatch <http://zbw.eu/stw/descriptor/19583-4> .

wd:Q996383
  rdfs:label "Eulersche Gleichungen"@de, "Euler's equations"@en ;
  skos:prefLabel "Eulersche Gleichungen"@de, "Euler's equations"@en ;
  skos:broadMatch <http://zbw.eu/stw/descriptor/19583-4> .

<http://zbw.eu/stw/thsys/194088>
  skos:narrower <http://zbw.eu/stw/descriptor/19583-4> ;
  skos:notation "N.09.01" ;
  rdfs:label "N.09.01  Mathematik"@de, "Mathematics"@en, "Mathematik"@de, "N.09.01  Mathematics"@en ;
  skos:prefLabel "N.09.01  Mathematics"@en, "N.09.01  Mathematik"@de ;
  a skos:Concept, zbwext:Thsys .

skos:narrowMatch
  rdfs:subPropertyOf skos:narrower, skos:mappingRelation ;
  skos:definition "skos:narrowMatch is used to state a hierarchical mapping link between two conceptual resources in different concept schemes."@en ;
  rdfs:label "has narrower match"@en .

<http://zbw.eu/stw/descriptor/15554-3>
  skos:prefLabel "Dynamische Optimierung"@de, "Dynamic programming"@en ;
  a zbwext:Descriptor, skos:Concept ;
  rdfs:label "Bellman equation"@en, "Bellman-Optimalitätsprinzip"@de, "Dynamische Optimierung"@de, "Dynamic programming"@en, "Dynamische Programmierung"@de ;
  skos:related <http://zbw.eu/stw/descriptor/19583-4> .

gnd:4359957-6
  rdfs:label "Eulersche Formel"@de, "Eulerformel"@de, "Euler-Formel"@de ;
  skos:prefLabel "Eulersche Formel"@de ;
  skos:broadMatch <http://zbw.eu/stw/descriptor/19583-4> .

wd:Q201321
  rdfs:label "Navier–Stokes equations"@en, "Navier-Stokes-Gleichungen"@de, "Gleichungen von Navier-Stokes"@de, "Navier-Stokes equation"@en, "Navier-Stokes-Gleichung"@de, "Navier-Stokes equations"@en ;
  skos:prefLabel "Navier–Stokes equations"@en, "Navier-Stokes-Gleichungen"@de ;
  skos:broadMatch <http://zbw.eu/stw/descriptor/19583-4> .

<http://zbw.eu/stw/descriptor/29961-6>
  rdfs:label "Differentialgleichung"@de, "Differential equation"@en, "Differenzialgleichung"@de ;
  skos:prefLabel "Differentialgleichung"@de, "Differential equation"@en ;
  a zbwext:Descriptor, skos:Concept ;
  skos:related <http://zbw.eu/stw/descriptor/19583-4> .

<http://zbw.eu/stw/descriptor/19583-4>
  skos:altLabel "Boltzmann equations"@en, "Euler-Gleichungen"@de, "Euler-Lagrange equation"@en, "Euler equation"@en, "Navier-Stokes equations"@en, "Calculus of variations"@en, "Envelope theorem"@en, "Euler-Gleichung"@de, "Einhüllenden-Satz"@de ;
  skos:narrowMatch gnd:4700698-5, wd:Q375175, wd:Q164296, gnd:4359957-6, wd:Q891653, wd:Q2478371, wd:Q201321, wd:Q875744, wd:Q996383 ;
  rdfs:label "Euler-Lagrange equation"@en, "Navier-Stokes equations"@en, "Einhüllenden-Satz"@de, "Boltzmann equations"@en, "Euler-Gleichung"@de, "Variationsrechnung"@de, "Envelope theorem"@en, "Euler-Gleichungen"@de, "Calculus of variations"@en, "Euler equation"@en, "Variational method"@en ;
  skos:broader <http://zbw.eu/stw/thsys/194088>, <http://zbw.eu/stw/descriptor/15026-0> ;
  skos:exactMatch <http://dbpedia.org/resource/Calculus_of_variations>, gnd:4062355-5, wd:Q216861 ;
  a zbwext:Descriptor, skos:Concept ;
  skos:related <http://zbw.eu/stw/descriptor/15554-3>, <http://zbw.eu/stw/descriptor/29961-6>, <http://zbw.eu/stw/descriptor/15555-1> ;
  skos:prefLabel "Variational method"@en, "Variationsrechnung"@de ;
  skos:inScheme <http://zbw.eu/stw> ;
  ns0:gvkppn "091358426" ;
  dc:isPartOf <http://zbw.eu/stw> .

gnd:4062355-5
  rdfs:label "Extremalaufgabe"@de, "Variationsmethode"@de, "Variationsrechnung"@de ;
  skos:prefLabel "Variationsrechnung"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/19583-4> .

<http://zbw.eu/stw/descriptor/15026-0>
  rdfs:label "Infinitesimalrechnung"@de, "Analysis"@de, "Calculus"@en, "Integralrechnung"@de, "Differentialrechnung"@de, "Differenzialrechnung"@de, "Mathematical analysis"@en, "Difference equation"@en, "Differenzengleichung"@de ;
  skos:narrower <http://zbw.eu/stw/descriptor/19583-4> ;
  a skos:Concept, zbwext:Descriptor ;
  skos:prefLabel "Mathematical analysis"@en, "Analysis"@de .

wd:Q216861
  rdfs:label "Euler-Lagrange-Gleichung"@de, "Variationsrechnung"@de, "Variationsprinzip"@de, "variational calculus"@en, "Euler-Lagrange-Gleichungen"@de, "calculus of variations"@en, "Variationsproblem"@de ;
  skos:prefLabel "Variationsrechnung"@de, "calculus of variations"@en ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/19583-4> .

skos:broader
  rdfs:subPropertyOf skos:broaderTransitive ;
  skos:definition "Relates a concept to a concept that is more general in meaning."@en ;
  rdfs:comment "Broader concepts are typically rendered as parents in a concept hierarchy (tree)."@en ;
  rdfs:label "has broader"@en .

wd:Q2478371
  rdfs:label "envelope theorem"@en, "Umhüllungssatz"@de, "Envelope-Theorem"@de, "Einhüllendensatz"@de, "Envelopentheorem"@de, "Einhüllenden-Satz"@de ;
  skos:prefLabel "envelope theorem"@en, "Umhüllungssatz"@de ;
  skos:broadMatch <http://zbw.eu/stw/descriptor/19583-4> .

skos:altLabel
  rdfs:subPropertyOf rdfs:label ;
  skos:definition "An alternative lexical label for a resource."@en ;
  rdfs:comment "skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties."@en, "The range of skos:altLabel is the class of RDF plain literals."@en ;
  rdfs:label "alternative label"@en .

<http://dbpedia.org/resource/Calculus_of_variations>
  rdfs:label "Variationsrechnung"@de, "Calculus of variations"@en ;
  skos:prefLabel "Variationsrechnung"@de, "Calculus of variations"@en ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/19583-4> .

skos:prefLabel
  rdfs:subPropertyOf rdfs:label ;
  skos:definition "The preferred lexical label for a resource, in a given language."@en ;
  rdfs:comment """skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise
      disjoint properties."""@en, "The range of skos:prefLabel is the class of RDF plain literals."@en, "A resource has no more than one value of skos:prefLabel per language tag."@en ;
  rdfs:label "preferred label"@en .

wd:Q875744
  rdfs:label "Euler–Lagrange equation"@en, "Lagrange's equations of the second kind"@en, "Euler-Lagrange-Gleichung"@de, "Euler-Lagrange equation"@en ;
  skos:prefLabel "Euler–Lagrange equation"@en, "Euler-Lagrange-Gleichung"@de ;
  skos:broadMatch <http://zbw.eu/stw/descriptor/19583-4> .

skos:exactMatch
  rdfs:subPropertyOf skos:closeMatch ;
  skos:definition "skos:exactMatch is used to link two concepts, indicating a high degree of confidence that the concepts can be used interchangeably across a wide range of information retrieval applications. skos:exactMatch is a transitive property, and is a sub-property of skos:closeMatch."@en ;
  rdfs:comment "skos:exactMatch is disjoint with each of the properties skos:broadMatch and skos:relatedMatch."@en ;
  rdfs:label "has exact match"@en .

wd:Q891653
  rdfs:label "Boltzmann-Gleichung"@de, "Boltzmann equation"@en, "Boltzmannsche Transportgleichung"@de, "Boltzmanngleichung"@de ;
  skos:prefLabel "Boltzmann-Gleichung"@de, "Boltzmann equation"@en ;
  skos:broadMatch <http://zbw.eu/stw/descriptor/19583-4> .

wd:Q375175
  rdfs:label "Euler equations"@en, "Euler-Gleichungen"@de ;
  skos:prefLabel "Euler equations"@en, "Euler-Gleichungen"@de ;
  skos:broadMatch <http://zbw.eu/stw/descriptor/19583-4> .

skos:related
  rdfs:subPropertyOf skos:semanticRelation ;
  skos:definition "Relates a concept to a concept with which there is an associative semantic relationship."@en ;
  rdfs:comment "skos:related is disjoint with skos:broaderTransitive"@en ;
  rdfs:label "has related"@en .

gnd:4700698-5
  rdfs:label "Euler-Lagrange-Gleichung"@de, "Euler-Lagrangesche Gleichungen"@de, "Eulersche Differentialgleichungen <Variationsrechnung>"@de, "Euler-Lagrange Differential Equation"@de, "Euler-Lagrange-Differentialgleichung"@de, "Euler-Lagrange-Differenzialgleichung"@de ;
  skos:prefLabel "Euler-Lagrange-Gleichung"@de ;
  skos:broadMatch <http://zbw.eu/stw/descriptor/19583-4> .

zbwext:Descriptor
  rdfs:label "Descriptor"@en ;
  a owl:Class .

skos:inScheme
  skos:definition "Relates a resource (for example a concept) to a concept scheme in which it is included."@en ;
  rdfs:label "is in scheme"@en .

<http://zbw.eu/stw>
  rdfs:label "Standard-Thesaurus Wirtschaft"@de, "STW Thesaurus for Economics"@en ;
  skos:prefLabel "Standard-Thesaurus Wirtschaft"@de, "STW Thesaurus for Economics"@en ;
  a void:Dataset, skos:ConceptScheme .

<http://zbw.eu/stw/descriptor/15555-1>
  a zbwext:Descriptor, skos:Concept ;
  skos:related <http://zbw.eu/stw/descriptor/19583-4> ;
  rdfs:label "Kontrolltheorie"@de, "Mathematische Kontrolltheorie"@de, "Steuerungstheorie"@de, "Stochastic control problem"@en, "Regelungstheorie"@de, "Optimal control problem"@en, "Control theory"@en ;
  skos:prefLabel "Control theory"@en, "Kontrolltheorie"@de .

skos:Concept
  rdfs:label "Concept"@en ;
  a owl:Class .