assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:649 IAO:0000115 A brain disease that is characterized by brain damage resulting from the abnormal folding, clumping and accumulation of cellular proteins in the brain induced by prion proteins. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Prion""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.cdc.gov/ncidod/dvrd/prions/""}]}"