{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/347455108"
      "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" : [ "Brokers including TD Ameritrade and Charles Schwab both offer big groups of ETFs that can be bought and sold with no commission." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "usatoday.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/256205263"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/347455108" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/388516130"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/347455108"] } } }
