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

nalt:135257
  skos:prefLabel "evaluación del ciclo de vida"@es, "life cycle assessment"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:narrower nalt:137801 .

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

nalt:137801
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:hiddenLabel "open-system boundary"@en, "closed-system boundary"@en, "open system boundary"@en, "closed system boundary"@en ;
  skos:prefLabel "system boundary"@en, "límite del sistema"@es ;
  ns0:marc001 "73977" ;
  dc:created "2010-10-02"^^xsd:date ;
  dc:modified "2016-02-16"^^xsd:date ;
  skos:broader nalt:55979, nalt:135257 .

nalt:55979
  skos:prefLabel "análisis de sistema"@es, "systems analysis"@en ;
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:137801 .

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