{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/308374377"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/86003771" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/516033962"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/86003771" ] } },

    { "id" : "http://webisa.webdatacommons.org/86003771"
      "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" : [ "The challenge in these studies is to separate nature from nurture by controlling for the effects of natural intelligence (as measured by IQ, for example) and socio-economic factors such as wealth, race, and parental education." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "freakonomics.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/2658550"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/86003771"] } } }
