assertion  retraction  graph  subject       predicate    object                                                                     datatype    annotation
1          0           graph  DOID:0080901  IAO:0000115  A sarcomatoid transitional cell carcinoma that is located_in the bladder.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/30287139/""}]}"