{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/158158991"
      "properties" : {
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        "http://www.w3.org/ns/prov#value" : [ "A null value returned denotes a problem, such as file does not exist at specified location or the user does not have the correct permission to open the file in the mode specified." ] ,
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    { "id" : "http://webisa.webdatacommons.org/prov/5341995"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/158158991"] } } }
