assertion  retraction  graph  subject  predicate        object                                                                         datatype    annotation
1          0           graph  DOID:77  rdfs:label       gastrointestinal system disease                                                xsd:string  
1          0           graph  DOID:77  IAO:0000115      A disease of anatomical entity that is located_in the gastrointestinal tract.  xsd:string  
1          0           graph  DOID:77  rdfs:subClassOf  DOID:7                                                                         _IRI        
1          0           graph  DOID:77  rdf:type         owl:Class                                                                      _IRI