assertion  retraction  graph  subject    predicate            object                                                                                                                                                                                                                                                                datatype    annotation
1          0           graph  DOID:3347  oio:hasOBONamespace  disease_ontology                                                                                                                                                                                                                                                      xsd:string  
1          0           graph  DOID:3347  oio:hasDbXref        NCI:C9145                                                                                                                                                                                                                                                             xsd:string  
1          0           graph  DOID:3347  oio:hasDbXref        ICDO:9180/3                                                                                                                                                                                                                                                           xsd:string  
1          0           graph  DOID:3347  oio:hasExactSynonym  Skeletal sarcoma                                                                                                                                                                                                                                                      @en         
1          0           graph  DOID:3347  IAO:0000115          A bone sarcoma that is located_in bone that has_material_basis_in cells of mesenchymal origin. It usually involves bones and less frequently extraosseous sites. It often involves the long bones (particularly distal femur, proximal tibia, and proximal humerus).  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007641""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Osteosarcoma""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.cancer.gov/dictionary?cdrid=45395""}]}"