{
   "$defs": {
      "Activity": {
         "additionalProperties": false,
         "description": "a provence-generating activity",
         "properties": {
            "description": {
               "type": "string"
            },
            "ended_at_time": {
               "format": "date",
               "type": "string"
            },
            "id": {
               "type": "string"
            },
            "started_at_time": {
               "format": "date",
               "type": "string"
            },
            "used": {
               "type": "string"
            },
            "was_associated_with": {
               "type": "string"
            },
            "was_informed_by": {
               "type": "string"
            }
         },
         "required": [
            "id"
         ],
         "title": "Activity",
         "type": "object"
      },
      "Agent": {
         "additionalProperties": false,
         "description": "a provence-generating agent",
         "properties": {
            "acted_on_behalf_of": {
               "type": "string"
            },
            "id": {
               "type": "string"
            },
            "was_informed_by": {
               "type": "string"
            }
         },
         "required": [
            "id"
         ],
         "title": "Agent",
         "type": "object"
      }
   },
   "$id": "https://w3id.org/linkml/tests/core",
   "$schema": "http://json-schema.org/draft-07/schema#",
   "additionalProperties": true,
   "properties": {},
   "required": [],
   "title": "core",
   "type": "object"
}
