@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

n9j:-WCC6KM48-7
  skos:prefLabel "network analysis"@en ;
  a skos:Concept ;
  skos:narrower n9j:-TS7VHWXZ-R .

n9j:-methods
  a isothes:ConceptGroup ;
  skos:prefLabel "methods"@en ;
  skos:member n9j:-TS7VHWXZ-R .

n9j:-NDL8F4JG-R
  skos:prefLabel "sampling"@en ;
  a skos:Concept ;
  skos:narrower n9j:-TS7VHWXZ-R .

n9j: a skos:ConceptScheme .
n9j:-TS7VHWXZ-R
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/snowball_sampling> ;
  skos:definition "Snowball sampling is a technique that can be applied in two survey contexts. The first context involves surveying members of a rare population. [Source: Encyclopedia of Survey Research Methods; Snowball Sampling]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-WCC6KM48-7, n9j:-NDL8F4JG-R ;
  skos:prefLabel "snowball sampling"@en .