{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/369556170"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/340430572" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/294561050"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/340430572" ] } },

    { "id" : "http://webisa.webdatacommons.org/340430572"
      "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" : [ "McKinsey argued that, during the twentieth century, the prices of natural energy, food, water and materials such as steel all fell, supporting economic growth in the process." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "investorintel.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/201161986"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/340430572"] } } }
