{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/417461550"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/179475364" ] } },

    { "id" : "http://webisa.webdatacommons.org/179475364"
      "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" : [ " up to 15 secondary diagnoses codes, and an indicator of hospital mortality when applicable; and 5) the vital statistics database, which provided information on all deaths, including date and cause." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "annals.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/208331833"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/179475364"] } } }
