assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:1884 IAO:0000115 A hepatitis that involves viral infection causing inflammation of the liver. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.cdc.gov/HEPATITIS/""}]}"