assertion  retraction  graph  subject       predicate    object                                                                                                                                  datatype    annotation
1          0           graph  DOID:0080189  IAO:0000115  A cell type cancer of vascular origin that is characterized by the proliferation of endothelial cells in and about the vascular lumen.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.rare-cancer.org/info/hemangioendothelioma.php""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://en.wikipedia.org/wiki/Hemangioma""}]}"