assertion  retraction  graph  subject    predicate      object                           datatype    annotation
1          0           graph  DOID:2609  oio:hasDbXref  SNOMEDCT_US_2023_03_01:40293003  xsd:string  
1          0           graph  DOID:4993  oio:hasDbXref  SNOMEDCT_US_2023_03_01:40293003  xsd:string