id: https://nde.nl/ontology/hc/class/Format
name: Format
title: Format
prefixes:
  linkml: https://w3id.org/linkml/
  hc: https://nde.nl/ontology/hc/
  dct: http://purl.org/dc/terms/
  schema: http://schema.org/
  premis: http://www.loc.gov/premis/rdf/v3/
default_prefix: hc
imports:
  - linkml:types
  - ../slots/has_description
  - ../slots/identified_by
  - ../slots/has_label
classes:
  Format:
    class_uri: dct:MediaType
    description: 'A structured representation of a document, file, or resource format.


      **USAGE**:

      Represents format specifications for:

      - Finding aids (EAD, PDF, HTML, MARC)

      - API responses (JSON, XML, RDF)

      - Media files (JPEG, MP3, MP4)

      - Transcripts and subtitles (VTT, SRT, TXT)


      **ONTOLOGY ALIGNMENT**:

      - **Primary** (`class_uri`): `dct:MediaType` - Dublin Core media type

      - **Related**: `schema:encodingFormat` - Schema.org encoding

      - **Related**: `premis:Format` - PREMIS preservation format


      **MIGRATION NOTE**:

      Created per slot_fixes.yaml revision (Rule 53, 2026-01-22).

      Replaces simple string-valued `format` slot with structured class.

      '
    slots:
    - identified_by
    - has_label
    - has_description
    exact_mappings:
    - dct:MediaType
    close_mappings:
    - schema:encodingFormat
    - premis:Format
    examples:
    - value:
        format_id: iana:application/xml+ead
        format_name: Encoded Archival Description (EAD)
        mime_type: application/xml
        file_extension:
        - .xml
        - .ead
        format_specification_url: https://www.loc.gov/ead/
      description: EAD finding aid format
    - value:
        format_id: iana:text/vtt
        format_name: WebVTT (Web Video Text Tracks)
        mime_type: text/vtt
        file_extension:
        - .vtt
        format_specification_url: https://www.w3.org/TR/webvtt1/
      description: WebVTT subtitle/caption format
    - value:
        format_id: iana:application/pdf
        format_name: Portable Document Format (PDF)
        mime_type: application/pdf
        file_extension:
        - .pdf
        format_specification_url: https://www.iso.org/standard/75839.html
      description: PDF document format
    annotations:
      custodian_types: '["*"]'
      custodian_types_rationale: Format specifications applicable to all custodian
        types.
      specificity_score: '0.25'
      specificity_rationale: Broadly applicable - formats used across all heritage
        custodian types.