{
    "$schema": "https://json-schema.org/draft/2019-09/schema",
    "title": "CatalogSchema",
    "type": "object",
    "allOf": [
        {
            "$ref": "#/definitions/Catalog"
        }
    ],
    "$id": "https://w3id.org/dspace/2024/1/catalog/catalog-schema.json",
    "definitions": {
        "Catalog": {
            "type": "object",
            "allOf": [
                {
                    "$ref": "https://w3id.org/dspace/2024/1/catalog/dataset-schema.json#/definitions/AbstractDataset"
                },
                {
                    "properties": {
                        "@context": {
                            "type": "string",
                            "const": "https://w3id.org/dspace/2024/1/context.json"
                        },
                        "@type": {
                            "type": "string",
                            "const": "dcat:Catalog"
                        },
                        "dcat:dataset": {
                            "type": "array",
                            "items": {
                                "$ref": "https://w3id.org/dspace/2024/1/catalog/dataset-schema.json#/definitions/Dataset"
                            },
                            "minItems": 1
                        },
                        "dcat:service": {
                            "type": "array",
                            "items": {
                                "$ref": "https://w3id.org/dspace/2024/1/catalog/dataset-schema.json#/definitions/DataService"
                            },
                            "minItems": 1
                        },
                        "dspace:participantId": {
                            "type": "string"
                        },
                        "foaf:homepage": {
                            "type": "string"
                        }
                    }
                }
            ],
            "required": [ "@context", "@type" ],
            "anyOf" : [
                {
                    "not" : { "required" : [ "odrl:hasPolicy" ] }
                }
            ]
        }
    }
}