{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/195246028"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/267271456" ] } },

    { "id" : "http://webisa.webdatacommons.org/267271456"
      "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" : [ "Under such a program each unit as constructed should serve as a needed and efficient traffic artery while the balance of the system is being completed.A further consideration in locating the master expressway system involved a study of other forms of transportation and plans for their improvement and extensions, in order to provide one integrated transportation system, rather than competing or par" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "bostonroads.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/52739014"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/267271456"] } } }
