[
  {
    "assertion": 1,
    "retraction": 0,
    "graph": "graph",
    "subject": "oio:creation_date",
    "predicate": "IAO:0000115",
    "object": "Date class was created.",
    "datatype": "xsd:string",
    "annotation": "{\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:http://www.geneontology.org/formats/oboInOwl#creation_date\"}]}"
  }
]