{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/293552967"
      "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" : [ "Once positioned within the heart, mapping means such as electrodes capable of sensing the electrophysiological properties of endocardial tissue are used to determine the approximate location of tissue to be treated." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "google.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/15762906"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/293552967"] } } }
