{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/10577043"
      "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" : [ "Smoking, alcohol use, specific foods, and other factors that seem to trigger cluster headaches should be avoided." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "gbmc.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/303530201"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/10577043" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/213660208"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/10577043"] } } }
