82 lines
2.7 KiB
YAML
82 lines
2.7 KiB
YAML
id: https://nde.nl/ontology/hc/class/Image
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name: image_class
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title: Image Class
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prefixes:
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linkml: https://w3id.org/linkml/
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hc: https://nde.nl/ontology/hc/
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schema: http://schema.org/
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foaf: http://xmlns.com/foaf/0.1/
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dcterms: http://purl.org/dc/terms/
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imports:
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- linkml:types
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- ../slots/has_or_had_url
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- ./URL
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- ../slots/has_or_had_label
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- ./Label
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default_prefix: hc
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classes:
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Image:
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class_uri: schema:ImageObject
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description: 'Represents a visual image with URL and metadata.
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**PURPOSE**:
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Image provides structured representation for visual content including: - Thumbnail images for cards/previews - Collection representative images - Institutional logos and branding - Digital object reproductions
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**ONTOLOGY ALIGNMENT**:
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| Ontology | Mapping | Rationale | |----------|---------|-----------| | Schema.org | schema:ImageObject | Primary class for images | | FOAF | foaf:Image | Alternative image class |
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**USE CASES**: - Card preview thumbnails (card_image_url migration) - Collection highlight images - Object photographs
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MIGRATED 2026-01-22: Created per slot_fixes.yaml revision for card_image_url.'
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exact_mappings:
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- schema:ImageObject
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- foaf:Image
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slots:
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- has_or_had_url
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- has_or_had_label
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slot_usage:
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has_or_had_url:
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range: URL
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required: true
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inlined: true
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description: URL where the image can be accessed. URL.has_or_had_value contains the actual URI.
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has_or_had_label:
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range: Label
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required: false
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inlined: true
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description: Alt text or caption for the image. Label.has_or_had_text contains the description.
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attributes:
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image_format:
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range: string
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required: false
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description: Image format (e.g., "JPEG", "PNG", "WEBP", "SVG").
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width:
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range: integer
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required: false
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description: Width in pixels.
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height:
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range: integer
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required: false
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description: Height in pixels.
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examples:
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- value:
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has_or_had_url:
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has_or_had_value: https://example.org/images/card_thumb.jpg
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has_or_had_label:
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has_or_had_text: Collection preview thumbnail
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image_format: JPEG
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width: 300
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height: 200
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description: Card thumbnail image with metadata
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- value:
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has_or_had_url:
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has_or_had_value: https://museum.nl/logo.svg
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image_format: SVG
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description: Institutional logo
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annotations:
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specificity_score: 0.35
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specificity_rationale: Images are broadly useful across heritage contexts for visual representation.
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custodian_types: "['*']"
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custodian_types_rationale: Universal utility concept
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