assertion  retraction  graph  subject    predicate    object                                                     datatype    annotation
1          0           graph  DOID:6148  IAO:0000115  An in situ carcinoma that is located_in the nasal cavity.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.cancerresearchuk.org/about-cancer/nasal-sinus-cancer/stages-grades/nasal-cavity-number-stages""}]}"