{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/301020212"
      "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" : [ "Simply putting hydrogen in a tank to power a car or appliance is difficult, because the element is a gas at all but extremely low temperatures (its boiling point is -253 degrees Celsius)." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "nanowerk.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/511364167"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/301020212"] } } }
