@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 ns0: <https://lod.nal.usda.gov/naltv#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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

nalt:6434
  skos:exactMatch <http://id.agrisemantics.org/gacs/C10197>, <http://id.cabi.org/cabt/8165>, <http://aims.fao.org/aos/agrovoc/c_8721> ;
  ns0:marc001 "1708" ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "alkalinity"@en, "alcalinidad"@es ;
  dc:modified "2014-07-15"^^xsd:date ;
  dc:created "2006-01-19"^^xsd:date ;
  skos:broader nalt:2828 .

nalt:2828
  skos:prefLabel "propiedades fisicoquímicas"@es, "physicochemical properties"@en ;
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:6434 .

<https://lod.nal.usda.gov/nalt-core>
  rdfs:label "NALT Core"@es, "NALT Core"@en ;
  a skos:ConceptScheme .