@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/1912_Hague_Conference>
  skos:definition "In 1912 an international conference, the 1912 Hague International Opium Convention, was held at The Hague. It concerned the international problem of narcotic drugs and was intended to be a follow up to the first international conference to address the issue of drugs, the 1909 Shanghai Conference. [Source: <a href=\"https://sk.sagepub.com/reference/drugpolicy/n260.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Drug Policy; 1912 Hague Conference</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/drug_policy_conventions> ;
  skos:prefLabel "1912 Hague Conference"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/events>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "events"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/1912_Hague_Conference> .

<https://concepts.sagepub.com/social-science/concept/drug_policy_conventions>
  skos:prefLabel "drug policy conventions"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/1912_Hague_Conference> .