{ "$schema": "http://json-schema.org/draft-04/schema#", "name": "Entry", "properties": { "@id": { "type": "string" }, "nif:isString": { "description": "String contained in this Context. Alternative: nif:isString", "type": "string" }, "marl:hasOpinion": { "type": "array", "items": {"$ref": "sentiment.json" } }, "onyx:hasEmotionSet": { "type": "array", "items": {"$ref": "emotionSet.json" } } }, "required": ["nif:isString"] }