{ "$schema": "http://json-schema.org/draft-04/schema#", "id": "5.1-collectionLastValidated.json", "assertionType": "must", "expectedResult": "valid", "onUnexpectedResult" : "failAndContinue", "errorMessage": "ERROR: Annotation Collection has last key with non-uri value or array as value containing more than one item.", "title": "**Annotation Collection _last_ key**, if present, is **a single value of format uri** - [model 5.1](https://www.w3.org/TR/annotation-model/#annotation-collection)", "$ref": "collections.json#/definitions/lastValidIfPresent" }