{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/283591225"
      "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" : [ "When this occurs, the tumor is not usually removed unless it is causing symptoms such as ulceration or pain. (This is called palliative surgery.) It is not known whether removing the breast tumor before it causes problems (called early surgery) may help to extend survival." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "breastcancertrials.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/4338004"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/283591225" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/216983400"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/283591225"] } } }
