{ "$schema": "http://json-schema.org/draft-04/schema#", "id": "5.2-pageLastValidated.json", "assertionType": "must", "expectedResult": "valid", "onUnexpectedResult" : "failAndContinue", "errorMessage": "ERROR: Annotation Page has last key (i.e., in description of Collection included using partOf key) with non-uri value or array as value containing more than one item.", "title": "**Annotation Page _last_ key** (i.e., in description of Collection included using partOf key), if present, is **a single value of format uri** - [model 5.2](https://www.w3.org/TR/annotation-model/#annotation-page)", "type": "object", "properties": { "partOf": { "$ref": "collections.json#/definitions/lastValidIfPresent" } } }