{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/219177038"
      "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 beginning of commercial radio is associated with the 1920s, which was a time of great cultural upheaval in the US. Along with other media, such as movies, and other technology, such as cars, the radio helped bring in a new era in which Americans had many more entertainment options." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "enotes.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/366515793"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/219177038"] } } }
