{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/293359690"
      "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" : [ "An even larger number of scientists and aerospace engineers have concluded that chemical rockets are a dead end, and that the only way we will ever drastically reduce launch costs is to use nuclear propulsion (or some even more radical method, such as beanstalks, railguns, or ground-based lasers)." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "dailytech.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/406748368"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/293359690"] } } }
