assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:2377 IAO:0000115 A demyelinating disease that involves damage to the fatty myelin sheaths around the axons of the brain and spinal cord resulting in demyelination and scarring. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Multiple_sclerosis""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ghr.nlm.nih.gov/condition/multiple-sclerosis""}]}"