{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/389485784"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "Because of the great concentration of jobs, wealth, and other resources, large urban environments tend to attract large populations with health concerns, such as drug users, unemployed youth, homeless people, and refugees." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "nih.gov" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/104905991"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/389485784"] } } }
