assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:5078 IAO:0000115 A cell type benign neoplasm that has_material_basis_in glial-type cells. 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/Ganglioglioma""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.stjude.org/stjude/v/index.jsp?vgnextoid=7e0d061585f70110VgnVCM1000001e0215acRCRD""}]}"