[
  {
    "assertion": 1,
    "retraction": 0,
    "graph": "graph",
    "subject": "DOID:0050929",
    "predicate": "IAO:0000115",
    "object": "A melanoma that has_material_basis_in melanocytes located_in mucosal membranes lining the respiratory, gastrointestinal and urogenital tract.",
    "datatype": "xsd:string",
    "annotation": "{\"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/PMC3466987/?report=classic\"}]}"
  }
]