assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:4706 IAO:0000115 A brain cancer that is located_in the infratentorial region. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007636""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Tentorium_cerebelli""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.ncbi.nlm.nih.gov/mesh/68015192""}]}"