{ "$schema": "http://json-schema.org/draft-04/schema#", "id": "5.1-collectionIdValidated.json", "assertionType": "must", "expectedResult": "valid", "onUnexpectedResult" : "failAndContinue", "errorMessage": "ERROR: Annotation Collection is missing id key or value of id key is not a single string of format uri.", "title": "Implements **Annotation Collection _id_ key** which has a **single value** that is a **string of format uri** - [model 5.1](https://www.w3.org/TR/annotation-model/#annotation-collection)", "description": "True when the Annotation Collection has a single id that is a string of format uri (Section 5.1)", "$ref": "id.json#/definitions/idValueFound" }