Extract a subgraph from an ontology term

{
  "type": "object",
  "properties": {
    "cnode": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "include_ancestors": {
      "type": "boolean"
    },
    "include_descendants": {
      "type": "boolean"
    },
    "include_meta": {
      "type": "boolean"
    },
    "relation": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  },
  "additionalProperties": false
}