{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/230073235"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/158696694" ] } },

    { "id" : "http://webisa.webdatacommons.org/158696694"
      "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" : [ "Over time, data from CPS-3 and similar studies will help clarify the long-term effects of aspirin on a wide range of cancers and other diseases." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "cancer.org"] } } }
