{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/258540847"
      "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" : [ "A problem is a problem is a problem. (The fact that it is a surplus or deficit is secondary, the fact that it is an imbalance is the real significance) The surplus nature of productivity is creating an above average wedge in the output gap (potential output versus realized GDP. Productivity, you may recall, is a key component to potential GDP) and that is at the heart of the matter." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "econlib.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/438173336"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/258540847"] } } }
