[ { "assertion": 1, "retraction": 0, "graph": "graph", "subject": "DOID:7750", "predicate": "IAO:0000115", "object": "A brain ependymoma that is characterized by tumor in the ependyma of adults located_in spine, located_in intracranial (4th ventricle) and has_material_basis_in abnormally proliferating cells derives_from ependymal cells.", "datatype": "xsd:string", "annotation": "{\"dce:type\":[{\"datatype\":\"_IRI\",\"meta\":\"owl:Axiom\",\"object\":\"obo:ECO_0007638\"}],\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://en.wikipedia.org/wiki/Ependyma\"},{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://en.wikipedia.org/wiki/Ependymoma\"}]}" } ]