{ "items" : [
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      "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" : [ "In my example, the time it takes me to figure out what to buy is a cost, or the shipping fees I incur may be considered transaction costs." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "irongeek.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/74000516"
      "properties" : {
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    { "id" : "http://webisa.webdatacommons.org/prov/167025351"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/421827747"] } } }
