143 lines
4.4 KiB
YAML
143 lines
4.4 KiB
YAML
id: https://nde.nl/ontology/hc/class/Format
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name: Format
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title: Format
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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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dct: http://purl.org/dc/terms/
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schema: http://schema.org/
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premis: http://www.loc.gov/premis/rdf/v3/
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default_prefix: hc
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imports:
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- linkml:types
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- ../slots/has_or_had_description
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- ../slots/has_or_had_identifier
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- ../slots/has_or_had_label
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classes:
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Format:
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class_uri: dct:MediaType
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description: |
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A structured representation of a document, file, or resource format.
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**USAGE**:
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Represents format specifications for:
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- Finding aids (EAD, PDF, HTML, MARC)
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- API responses (JSON, XML, RDF)
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- Media files (JPEG, MP3, MP4)
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- Transcripts and subtitles (VTT, SRT, TXT)
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**ONTOLOGY ALIGNMENT**:
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- **Primary** (`class_uri`): `dct:MediaType` - Dublin Core media type
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- **Related**: `schema:encodingFormat` - Schema.org encoding
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- **Related**: `premis:Format` - PREMIS preservation format
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**MIGRATION NOTE**:
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Created per slot_fixes.yaml revision (Rule 53, 2026-01-22).
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Replaces simple string-valued `format` slot with structured class.
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slots:
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- has_or_had_identifier
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- has_or_had_label
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- has_or_had_description
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attributes:
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format_id:
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identifier: true
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description: |
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Unique identifier for this format specification.
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Recommended: Use IANA media type URI or CURIE.
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range: uriorcurie
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slot_uri: dct:identifier
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examples:
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- value: "iana:application/xml"
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description: XML MIME type as CURIE
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- value: "https://www.iana.org/assignments/media-types/text/vtt"
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description: WebVTT format as full URI
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format_name:
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description: |
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Human-readable name of the format.
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range: string
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slot_uri: schema:name
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examples:
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- value: "Encoded Archival Description (EAD)"
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- value: "WebVTT Subtitle Format"
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- value: "JSON (JavaScript Object Notation)"
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mime_type:
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description: |
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IANA media type (MIME type) for this format.
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range: string
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slot_uri: dct:format
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pattern: "^[a-z]+/[a-z0-9.+-]+$"
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examples:
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- value: "application/xml"
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- value: "text/vtt"
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- value: "application/json"
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file_extension:
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description: |
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Common file extension(s) for this format.
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range: string
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multivalued: true
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examples:
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- value: ".xml"
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- value: ".ead"
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- value: ".vtt"
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- value: ".json"
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format_specification_url:
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description: |
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URL to the format's official specification or documentation.
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range: uri
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slot_uri: schema:url
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examples:
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- value: "https://www.loc.gov/ead/"
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description: EAD specification
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- value: "https://www.w3.org/TR/webvtt1/"
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description: WebVTT W3C specification
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exact_mappings:
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- dct:MediaType
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close_mappings:
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- schema:encodingFormat
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- premis:Format
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examples:
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- value:
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format_id: "iana:application/xml+ead"
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format_name: "Encoded Archival Description (EAD)"
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mime_type: "application/xml"
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file_extension:
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- ".xml"
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- ".ead"
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format_specification_url: "https://www.loc.gov/ead/"
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description: EAD finding aid format
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- value:
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format_id: "iana:text/vtt"
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format_name: "WebVTT (Web Video Text Tracks)"
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mime_type: "text/vtt"
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file_extension:
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- ".vtt"
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format_specification_url: "https://www.w3.org/TR/webvtt1/"
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description: WebVTT subtitle/caption format
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- value:
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format_id: "iana:application/pdf"
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format_name: "Portable Document Format (PDF)"
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mime_type: "application/pdf"
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file_extension:
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- ".pdf"
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format_specification_url: "https://www.iso.org/standard/75839.html"
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description: PDF document format
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annotations:
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custodian_types: '["*"]'
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custodian_types_rationale: "Format specifications applicable to all custodian types."
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specificity_score: "0.25"
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specificity_rationale: "Broadly applicable - formats used across all heritage custodian types."
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