assertion  retraction  graph  subject    predicate    object                                                                                                                              datatype    annotation
1          0           graph  DOID:5438  IAO:0000115  A bile duct adenoma that is composed_of papillary, tubular, or combined tubulopapillary structures lined by dysplastic epithelium.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.joplink.net/prev/200803/08.html""}]}"