{ "$schema": "http://json-schema.org/draft-04/schema#", "id": "3.1-annotationIdValidated.json", "assertionType": "must", "expectedResult": "valid", "onUnexpectedResult" : "failAndContinue", "errorMessage": "ERROR: Annotation is missing id key or its value is not a single string of format uri.", "title": "Implements **Annotation _id_ key** which has a **single value** that is a **string of format uri** - [model 3.1](https://www.w3.org/TR/annotation-model/#annotations)", "description": "True when the Annotation has a single id that is a string of format uri (Section 3.1)", "$ref": "id.json#/definitions/idValueFound" }