assertion  retraction  graph  subject    predicate            object                                                                                                                                                              datatype    annotation
1          0           graph  DOID:6512  IAO:0000115          An ovarian endodermal sinus tumor that is characterized by a hepatoid pattern on histology, which involves large polyhedral cells with hyaline bodies but no bile.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.pathologyoutlines.com/topic/ovarytumoryolksac.html""}]}"
1          0           graph  DOID:6512  rdfs:label           hepatoid pattern ovarian yolk sac tumor                                                                                                                             xsd:string  
1          0           graph  DOID:6512  oio:inSubset         obo:doid#NCIthesaurus                                                                                                                                               _IRI        
1          0           graph  DOID:6512  oio:id               DOID:6512                                                                                                                                                           xsd:string  
1          0           graph  DOID:6512  oio:hasOBONamespace  disease_ontology                                                                                                                                                    xsd:string  
1          0           graph  DOID:6512  oio:hasDbXref        UMLS_CUI:C1518748                                                                                                                                                   xsd:string  
1          0           graph  DOID:6512  oio:hasDbXref        NCI:C39989                                                                                                                                                          xsd:string  
1          0           graph  DOID:6512  rdfs:subClassOf      DOID:5350                                                                                                                                                           _IRI        
1          0           graph  DOID:6512  rdf:type             owl:Class                                                                                                                                                           _IRI