assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:1074 IAO:0000115 A kidney disease characterized by the failure of the kidneys to adequately filter waste products from the blood. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007644""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Renal_failure""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.nlm.nih.gov/medlineplus/kidneyfailure.html""}]}"