@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

<https://lod.nal.usda.gov/naltv#Topic>
  rdfs:label "Topic"@en ;
  a owl:Class .

nalt:562
  skos:prefLabel "bitumen"@en, "betún"@es ;
  skos:related nalt:618, nalt:6468, nalt:27354, nalt:3913, nalt:17688 ;
  skos:exactMatch <http://id.loc.gov/authorities/subjects/sh85014486> ;
  skos:definition nalt:562_def ;
  skos:broader nalt:560 ;
  skos:altLabel "asphalt"@en ;
  skos:hiddenLabel "asphalts"@en, "bitumens"@en ;
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:modified "2017-10-10"^^xsd:date ;
  dc:created "2006-01-19"^^xsd:date ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  ns0:marc001 "5135" .

nalt:17688
  skos:prefLabel "petróleo"@es, "petroleum"@en ;
  a ns0:Product, skos:Concept ;
  skos:related nalt:562 .

nalt:27354
  skos:prefLabel "carbón"@es, "coal"@en ;
  a ns0:Product, skos:Concept ;
  skos:related nalt:562 .

nalt:3913
  skos:prefLabel "carbono"@es, "carbon"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:related nalt:562 .

nalt:560
  skos:prefLabel "materiales"@es, "materials"@en ;
  a ns0:Product, skos:Concept ;
  skos:narrower nalt:562 .

nalt:618
  skos:prefLabel "materiales de construcción"@es, "construction materials"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:562 .

nalt:562_def
  rdf:value "Sustancias cementosas de color oscuro (sólidas, semisólidas o viscosas), naturales o manufacturadas, compuestas principalmente de hidrocarburos de alto peso molecular, de las cuales son típicas los asfaltos, los alquitranes, las breas y los asfaltenos."@es, "Dark-colored (solid, semisolid, or viscous) cementitious substances, natural or manufactured, composed principally of high molecular weight hydrocarbons, of which asphalts, tars, pitches, and asphaltenes are typical."@en ;
  dc:source "NASA Thesaurus" ;
  a ns0:Definition .

<https://lod.nal.usda.gov/nalt>
  rdfs:label "NALT Full"@en ;
  a skos:ConceptScheme .

nalt:6468
  skos:prefLabel "hidrocarburos"@es, "hydrocarbons"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:related nalt:562 .