{
    "$schema": "https://json-schema.org/draft/2019-09/schema",
    "title": "DatasetSchema",
    "type": "object",
    "allOf": [
        {
            "$ref": "#/definitions/Dataset"
        }
    ],
    "$id": "https://w3id.org/dspace/2024/1/catalog/dataset-schema.json",
    "definitions": {
        "AbstractDataset": {
            "type": "object",
            "allOf": [
                {
                    "$ref": "#/definitions/Resource"
                },
                {
                    "properties": {
                        "odrl:hasPolicy": {
                            "type": "array",
                            "items": {
                                "$ref": "https://w3id.org/dspace/2024/1/negotiation/contract-schema.json#/definitions/Offer"
                            },
                            "minItems": 1
                        },
                        "dcat:distribution": {
                            "type": "array",
                            "items": {
                                "$ref": "#/definitions/Distribution"
                            },
                            "minItems": 1
                        }
                    }
                }
            ]
        },
        "Dataset": {
            "type": "object",
            "allOf": [
                {
                    "$ref": "#/definitions/AbstractDataset"
                }
            ],
            "required": [
                "odrl:hasPolicy"
            ]
        },
        "Resource": {
            "type": "object",
            "properties": {
                "dcat:keyword": {
                    "type": "array",
                    "items": {
                        "type": "string"
                    }
                },
                "dcat:theme": {
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/Reference"
                    },
                    "minItems": 1
                },
                "dct:conformsTo": {
                    "type": "string"
                },
                "dct:creator": {
                    "type": "string"
                },
                "dct:description": {
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/Multilanguage"
                    }
                },
                "dct:identifier": {
                    "type": "string"
                },
                "dct:issued": {
                    "type": "string"
                },
                "dct:modified": {
                    "type": "string"
                },
                "dct:title": {
                    "type": "string"
                }
            }
        },
        "Distribution": {
            "type": "object",
            "properties": {
                "dct:title": {
                    "type": "string"
                },
                "dct:description": {
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/Multilanguage"
                    }
                },
                "dct:issued": {
                    "type": "string"
                },
                "dct:modified": {
                    "type": "string"
                },
                "odrl:hasPolicy": {
                    "type": "array",
                    "items": {
                        "$ref": "https://w3id.org/dspace/2024/1/negotiation/contract-schema.json#/definitions/Offer"
                    },
                    "minItems": 1
                },
                "dcat:accessService": {
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/DataService"
                    },
                    "minItems": 1
                }
            },
            "required": [
                "dcat:accessService"
            ]
        },
        "DataService": {
            "type": "object",
            "allOf": [
                {
                    "$ref": "#/definitions/Resource"
                },
                {
                    "properties": {
                        "dcat:endpointDescription": {
                            "type": "string"
                        },
                        "dcat:endpointURL": {
                            "type": "string"
                        },
                        "dcat:servesDataset": {
                            "type": "array",
                            "items": {
                                "$ref": "#/definitions/Dataset"
                            },
                            "minItems": 1
                        }
                    }
                }
            ]
        },
        "Reference": {
            "type": "object",
            "properties": {
                "@id": {
                    "type": "string"
                }
            },
            "required": [ "@id" ]
        },
        "Multilanguage": {
            "type": "object",
            "properties": {
                "@value": {
                    "type": "string"
                },
                "@language": {
                    "type": "string"
                }
            },
            "required": [ "@value", "@language" ]
        }
    }
}