[
  {
    "assertion": 1,
    "retraction": 0,
    "graph": "graph",
    "subject": "DOID:3068",
    "predicate": "IAO:0000115",
    "object": "A malignant astrocytoma characterized by the presence of small areas of necrotizing tissue that is surrounded by anaplastic cells as well as the presence of hyperplastic blood vessels, and that has_material_basis_in abnormally proliferating cells derives_from multiple cell types including astrocytes and oligondroctyes.",
    "datatype": "xsd:string",
    "annotation": "{\"dce:type\":[{\"datatype\":\"_IRI\",\"meta\":\"owl:Axiom\",\"object\":\"obo:ECO_0007638\"},{\"datatype\":\"_IRI\",\"meta\":\"owl:Axiom\",\"object\":\"obo:ECO_0007645\"}],\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:http://cancergenome.nih.gov/cancersselected/glioblastomamultiforme\"},{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:http://en.wikipedia.org/wiki/Glioblastoma_multiforme\"},{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://www.ncbi.nlm.nih.gov/pubmed/20129251\"},{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://www.ncbi.nlm.nih.gov/pubmed/23029035\"}]}"
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]