assertion  retraction  graph  subject    predicate      object                            datatype    annotation
1          0           graph  DOID:4467  oio:hasDbXref  SNOMEDCT_US_2023_03_01:254915003  xsd:string  
1          0           graph  DOID:4451  oio:hasDbXref  SNOMEDCT_US_2023_03_01:254915003  xsd:string  
1          0           graph  DOID:4450  oio:hasDbXref  SNOMEDCT_US_2023_03_01:254915003  xsd:string