{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/concept/drug+user_idus_"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#label" : [ "drug user idus" ] ,
        "http://webisa.webdatacommons.org/ontology#hasHead" : [ "idus" ] ,
        "http://webisa.webdatacommons.org/ontology#hasPreModifier" : [ "drug user"] } } }
