assertion  retraction  graph  subject    predicate      object                            datatype    annotation
1          0           graph  DOID:1936  oio:hasDbXref  SNOMEDCT_US_2023_03_01:155414001  xsd:string  
1          0           graph  DOID:2348  oio:hasDbXref  SNOMEDCT_US_2023_03_01:155414001  xsd:string