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artefact-schema.json
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artefact-schema.json
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{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "artefact-schema.json",
"title": "Artefact",
"description": "A artefact represents real world object in the context of museums, archives and historical object",
"type": "object",
"properties": {
"_id": {
"description": "The unique identifier for a artefact",
"type": "ObjectId"
},
"dateRange": {
"description": "The time information about the artefact. e.g. created / destroyed ",
"type": "object",
"properties": {
"literal": {
"description": "Textual representation of the date range.",
"type": "string"
},
"start": {
"description": "start of the time range. (YYYY-mm-dd)",
"type": "string"
},
"end": {
"description": "enf of the time range. (YYYY-mm-dd)",
"type": "string"
}
}
},
"materials": {
"description": "The materials the artefact is made of.",
"type": "array",
"items": {
"type": "string"
},
"uniqueItems": true
},
"keywords": {
"description": "The keywords the artefact related to (human annotated).",
"type": "array",
"items": {
"type": "string"
},
"uniqueItems": true
},
"techniques": {
"description": "The techniques used to produce the artefact.",
"type": "array",
"items": {
"type": "string"
},
"uniqueItems": true
},
"title": {
"description": "The title of the artefact sorted by language.",
"type": "object",
"properties": {
"de": {
"description": "The artefact title in the german language",
"type": "string"
},
"en": {
"description": "The artefact title in the english language",
"type": "string"
},
"nl": {
"description": "The artefact title in the dutch language",
"type": "string"
},
"required": [
"de",
"en",
"nl"
]
}
},
"description": {
"description": "The description of the artefact sorted by language.",
"type": "object",
"properties": {
"de": {
"description": "The artefact description in the german language",
"type": "string"
},
"en": {
"description": "The artefact description in the english language",
"type": "string"
},
"nl": {
"description": "The artefact description in the dutch language",
"type": "string"
}
}
},
"embedding": {
"description": "The visual embedding (vector) of an artefact e.g. clip embedding",
"type": "array",
"items": {
"type": "number"
},
"minItems": 640
},
"entities": {
"description": "The named and linked entities which are part of the title or description of the artefact sorted by language.",
"type": "object",
"properties": {
"de": {
"description": "The entities of the artefact textual data in the german language",
"type": "array",
"items": {
"type": "object",
"$ref": "./named-entity.json"
}
},
"en": {
"description": "The entities of the artefact textual data in the english language",
"type": "array",
"items": {
"type": "object",
"$ref": "./named-entity.json"
}
},
"nl": {
"description": "The entities of the artefact textual data in the dutch language",
"type": "array",
"items": {
"type": "object",
"$ref": "./named-entity.json"
}
}
}
},
"persons": {
"description": "Persons this artefact relates to. e.g. creators orr authors",
"type": "array",
"items": {
"type": "object",
"properties": {
"name": {
"description": "Persons full name",
"type": "string"
}
},
"required": [
"name"
]
}
},
"locations": {
"description": "Locations this artefact relates to. e.g. place of creation",
"type": "array",
"items": {
"type": "object",
"properties": {
"name": {
"description": "Location name",
"type": "string"
},
"continent": {
"description": "Continent name in uppercase, the artefact relates to.",
"type": "string"
},
"country": {
"description": "Country ISO 3166 Code in uppercase, the artefact relates to.",
"type": "string"
}
},
"required": [
"name"
]
}
},
"object-color": {
"description": "Colors of the artefact itself.",
"type": "array",
"items": {
"type": "object",
"properties": {
"name": {
"description": "Name of the color",
"type": "string"
},
"hex": {
"description": "Hex RGB color value",
"type": "string"
},
"count": {
"description": "pixel count of the color on the segmented artefact image.",
"type": "integer"
},
"ratio": {
"description": "ratio of the amount of pixel color on the segmented artefact image in relation to all pixels.",
"type": "number"
},
"hsv": {
"description": "hue saturation value (hsv) value of the color",
"type": "array",
"items": {
"type": "integer"
},
"minItems": 3
},
"rgb": {
"description": "red green blue (rgb) value of the color",
"type": "array",
"items": {
"type": "integer"
},
"minItems": 3
}
},
"required": [
"name",
"hex",
"count",
"ratio",
"hsv",
"rgb"
]
}
},
"sourceInfo": {
"description": "Informations about the (data) source the artefact is imported from.",
"type": "object",
"properties": {
"id": {
"description": "artefact identifier in the imported data source",
"type": "string"
},
"collection": {
"description": "collection name this artefact relates to",
"type": "string"
},
"owner": {
"description": "name of the artefact source owner",
"type": "string"
},
"language": {
"description": "the primary language of the source and source language of the dataset texts.",
"type": "string"
},
"url": {
"description": "HTTP URL to the source website of the artefact.",
"type": "string"
}
},
"required": [
"id",
"collection",
"owner",
"language",
"url"
]
},
"images": {
"description": "Images of the artefact.",
"type": "array",
"items": {
"type": "object",
"properties": {
"url": {
"description": "IIIF URL of the artefact Image",
"type": "string"
},
"width": {
"description": "(max) width in pixels of the image",
"type": "integer"
},
"height": {
"description": "(max) height in pixels of the image",
"type": "integer"
},
"photographer": {
"description": "Person name of the photographer",
"type": "string"
},
"licence": {
"description": "Licence infomation about the image.",
"type": "object",
"properties": {
"url": {
"description": "HTTP URL link to a licence website ending with a language suffix.",
"type": "string"
},
"name": {
"description": "Licence name",
"type": "string"
}
},
"required": [
"url",
"name"
]
}
},
"required": [
"url",
"width",
"height",
"licence"
]
},
"minItems": 1
}
}
}