assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:6713 IAO:0000115 An vascular disease that is characterized by dysfunction of the blood vessels supplying the brain. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007646""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Cerebrovascular_disease""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.ncbi.nlm.nih.gov/books/NBK378/""}]}"