assertion  retraction  graph  subject       predicate    object                                                                                                         datatype    annotation
1          0           graph  DOID:0050905  IAO:0000115  A mesenchymal cell neoplasm that has_material_basis_in myofibroblastic cells admixed with inflammatory cells.  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.ncbi.nlm.nih.gov/pmc/articles/PMC2689747/""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pubmed/23091756""}]}"