{
	"id": "CourseInstance.json",
	"title": "Course Instance",
	"description": "An instance of a Course which is distinct from other instances because it is offered at a different time or location or through different media or modes of study or to a specific section of students.",
	"media": {"type": "application/json;profile=http://schema.org/CourseInstance"},
	"allOf": [{"$ref": "Thing.json"}, {"$ref": "Event.json"}],
	"type": "object",
	"properties": {
		"courseMode": {"$ref": "#/definitions/courseMode"},
		"courseWorkload": {"$ref": "#/definitions/courseWorkload"},
		"instructor": {"$ref": "Person.json#/definitions/possibleRefArray"}
	},
	"definitions": {
		"array": {
			"type": "array",
			"items": {"$ref": "#"}
		},
		"possibleRef": {
			"oneOf": [
				{"$ref": "#"},
				{
					"type": "string",
					"format": "uri",
					"links": [{
						"rel": "full",
						"href": "{+$}"
					}]
				}
			]
		},
		"possibleRefArray": {
			"oneOf": [
				{
					"type": "array",
					"items": {"$ref": "#/definitions/possibleRef"}
				},
				{
					"type": "string",
					"format": "uri",
					"links": [{
						"rel": "full",
						"href": "{+$}"
					}]
				}
			]
		},
		"courseMode": {
			"title": "Course Mode",
			"description": "The medium or means of delivery of the course instance or the mode of study, either as a text label (e.g. \"online\", \"onsite\" or \"blended\"; \"synchronous\" or \"asynchronous\"; \"full-time\" or \"part-time\") or as a URL reference to a term from a controlled vocabulary (e.g. https://ceds.ed.gov/element/001311#Asynchronous ).",
			"anyOf": [
				{"type": "string"},
				{
					"type": "string",
					"format": "uri"
				}
			]
		},
		"courseWorkload": {
			"title": "Course Workload",
			"description": "The amount of work expected of students taking the course, often provided as a figure per week or per month, and may be broken down by type. For example, \"2 hours of lectures, 1 hour of lab work and 3 hours of independent study per week\".",
			"type": "string"
		}
	}
}