{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/312040108"
      "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" : [ "Causes, incidence, and risk factorsA change in hormone levels is a common cause of abnormal menstrual bleeding." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "edward.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/12929155"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/312040108"] } } }
