assertion  retraction  graph  subject       predicate    object                                                                                                                                                              datatype    annotation
1          0           graph  DOID:0080684  IAO:0000115  A histone mutated tumor that is characterized by the presence of histone H3 K27M mutation located throughout the midline structures of the central nervous system.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://braintumor.org/wp-content/assets/WHO-Central-Nervous-System-Tumor-Classification.pdf""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/31290035/""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.frontiersin.org/articles/10.3389/fonc.2019.00031/full""}]}"