{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/174107133"
      "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" : [ "The study is the most extensive comparison to date of the two techniques and involved 872 patients and 66 surgeons at 48 medical centers in the United States and Canada." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "sylvester.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/260260459"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/174107133"] } } }
