{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/13297076"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/285881023" ] } },

    { "id" : "http://webisa.webdatacommons.org/285881023"
      "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" : [ "Besides the work already done in the Americas, shale gas sources have been identified in China, Argentina, South Africa, Australia and other places." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "processingmagazine.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/114563617"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/285881023" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/12719823"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/285881023"] } } }
