assertion  retraction  graph  subject   predicate        object                                             datatype    annotation
1          0           graph  DOID:219  rdfs:label       colon cancer                                       xsd:string  
1          0           graph  DOID:219  IAO:0000115      A colorectal cancer that is located_in the colon.  xsd:string  
1          0           graph  DOID:219  rdfs:subClassOf  DOID:162                                           _IRI        
1          0           graph  DOID:219  rdf:type         owl:Class                                          _IRI