assertion  retraction  graph  subject    predicate    object                                                                                                                                                     datatype    annotation
1          0           graph  DOID:6232  IAO:0000115  An ovarian germ cell teratoma that is composed of tissues that originate from two or three of the following germ layers, endoderm, ectoderm, or mesoderm.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.tandfonline.com/doi/abs/10.1586/eog.10.80""}]}"