assertion  retraction  graph  subject    predicate    object                                                                                                                                                                     datatype    annotation
1          0           graph  DOID:2649  IAO:0000115  A connective tissue benign neoplasm that derives_from chondroblasts and begins in cartilage at the ends of long bones (thighbone, shinbone, humerus) close to the joints.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.hopkinsmedicine.org/health/conditions-and-diseases/chondroblastoma""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/books/NBK536947/""}]}"