assertion  retraction  graph  subject    predicate             object                            datatype    annotation
1          0           graph  DOID:2021  oio:hasDbXref         NCI:C3555                         xsd:string  
1          0           graph  DOID:2021  oio:hasAlternativeId  DOID:2023                         xsd:string  
1          0           graph  DOID:2021  oio:hasDbXref         SNOMEDCT_US_2023_03_01:188187004  xsd:string  
1          0           graph  DOID:2021  oio:hasDbXref         UMLS_CUI:C0153572                 xsd:string  
1          0           graph  DOID:2021  rdfs:label            placenta cancer                   xsd:string  
1          0           graph  DOID:2021  oio:hasDbXref         ICD9CM:181                        xsd:string  
1          0           graph  DOID:5893  rdfs:label            childhood malignant mesenchymoma  xsd:string  
1          0           graph  DOID:5893  oio:id                DOID:5893                         xsd:string  
1          0           graph  DOID:5893  oio:hasOBONamespace   disease_ontology                  xsd:string  
1          0           graph  DOID:5893  oio:hasDbXref         UMLS_CUI:C0279991                 xsd:string  
1          0           graph  DOID:5893  oio:hasDbXref         NCI:C8097                         xsd:string  
1          0           graph  DOID:4441  rdfs:label            dysgerminoma                      xsd:string  
1          0           graph  DOID:4441  oio:hasOBONamespace   disease_ontology                  xsd:string  
1          0           graph  DOID:4441  oio:hasDbXref         UMLS_CUI:C0013377                 xsd:string  
1          0           graph  DOID:4441  oio:hasDbXref         MESH:D004407                      xsd:string  
1          0           graph  DOID:4441  oio:hasDbXref         SNOMEDCT_US_2023_03_01:60718004   xsd:string  
1          0           graph  DOID:4441  oio:hasDbXref         ICDO:9060/3                       xsd:string  
1          0           graph  DOID:4441  oio:id                DOID:4441                         xsd:string  
1          0           graph  DOID:3110  oio:id                DOID:3110                         xsd:string  
1          0           graph  DOID:3110  oio:hasDbXref         ICDO:8450/3                       xsd:string