assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:13375 IAO:0000115 A central nervous system vasculitis that is characterized by inflammation of the lining of arteries, often arteries in the head. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.mayoclinic.org/diseases-conditions/giant-cell-arteritis/symptoms-causes/syc-20372758""}]}"