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glam/schemas/20251121/linkml/modules/classes/VideoTextContent.yaml
kempersc 1f8776bef4 Update schemas and slots with new mappings and descriptions 
- Updated manifest.json with new generated timestamp.
- Added close mappings to APIRequest and Administration classes.
- Renamed slots in AccessPolicy to has_or_had_embargo_end_date and has_or_had_embargo_reason.
- Changed class_uri for Accumulation to rico:AccumulationRelation and updated description.
- Added exact mappings to Altitude, AppellationType, and ArchitecturalStyle classes.
- Removed deprecated slots from CollectionManagementSystem and updated has_or_had_type.
- Added new slots for has_or_had_embargo_end_date and has_or_had_embargo_reason.
- Updated slot definitions for has_or_had_assessment, has_or_had_sequence_index, and others with new URIs and mappings.
- Removed unused slots end_seconds and end_time.
- Added new slot definitions for has_or_had_exhibition_type, has_or_had_extent_text, and is_or_was_documented_by.
2026-01-29 13:33:23 +01:00

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id: https://nde.nl/ontology/hc/class/VideoTextContent
name: video_text_content_class
title: Video Text Content Class
imports:
- linkml:types
- ./VideoPost
- ../slots/has_or_had_language
- ../slots/content_title
- ../slots/generated_by
- ../slots/is_or_was_generated_by
- ./Methodology
- ../slots/temporal_extent
- ./TimeSpan
- ../slots/is_verified
- ../slots/model_provider
- ../slots/model_version
- ../slots/overall_confidence
- ../slots/processing_duration_seconds
- ../slots/source_video
- ../slots/source_video_url
- ../slots/specificity_annotation
- ../slots/has_or_had_score
- ../slots/temporal_extent
- ./TimeSpan
- ../slots/is_or_was_verified_by
- ./Verifier
- ../slots/has_or_had_quantity
- ./Quantity
- ./SpecificityAnnotation
- ./TemplateSpecificityScore
- ./TemplateSpecificityType
- ./TemplateSpecificityTypes
- ../enums/GenerationMethodEnum
prefixes:
linkml: https://w3id.org/linkml/
hc: https://nde.nl/ontology/hc/
schema: http://schema.org/
dcterms: http://purl.org/dc/terms/
prov: http://www.w3.org/ns/prov#
crm: http://www.cidoc-crm.org/cidoc-crm/
skos: http://www.w3.org/2004/02/skos/core#
oa: http://www.w3.org/ns/oa#
default_prefix: hc
classes:
VideoTextContent:
class_uri: crm:E73_Information_Object
abstract: true
description: "Abstract base class for all textual/derived content from videos.\n\n**DEFINITION**:\n\nVideoTextContent is the abstract parent for all text that is extracted,\ntranscribed, or derived from video content. This includes:\n\n| Subclass | Source | Description |\n|----------|--------|-------------|\n| VideoTranscript | Audio | Full text transcription of spoken content |\n| VideoSubtitle | Audio | Time-coded caption entries (SRT/VTT) |\n| VideoAnnotation | Visual | CV/multimodal-derived descriptions |\n\n**PROVENANCE REQUIREMENTS**:\n\nAll video-derived text MUST include comprehensive provenance:\n\n1. **Source**: Which video was processed (`source_video`)\n2. **Method**: How was content generated (`generation_method`)\n3. **Agent**: Who/what generated it (`generated_by`)\n4. **Time**: When was it generated (`generation_timestamp`)\n5. **Version**: Tool/model version (`model_version`)\n6. **Quality**: Overall confidence (`overall_confidence`)\n\n**PROV-O ALIGNMENT**:\n\nMaps\
\ to W3C PROV-O for provenance tracking:\n\n```turtle\n:transcript a hc:VideoTranscript ;\n prov:wasGeneratedBy :asr_activity ;\n prov:wasAttributedTo :whisper_model ;\n prov:generatedAtTime \"2025-12-01T10:00:00Z\" ;\n prov:wasDerivedFrom :source_video .\n```\n\n**CIDOC-CRM E73_Information_Object**:\n\n- E73 is the base for all identifiable immaterial items\n- Includes texts, computer programs, songs, recipes\n- VideoTextContent are E73 instances derived from video (E73)\n\n**GENERATION METHODS**:\n\n| Method | Description | Typical Confidence |\n|--------|-------------|-------------------|\n| ASR_AUTOMATIC | Automatic speech recognition | 0.75-0.95 |\n| ASR_ENHANCED | ASR with post-processing | 0.85-0.98 |\n| MANUAL_TRANSCRIPTION | Human transcription | 0.98-1.0 |\n| MANUAL_CORRECTION | Human-corrected ASR | 0.95-1.0 |\n| CV_AUTOMATIC | Computer vision detection | 0.60-0.90 |\n| MULTIMODAL | Combined audio+visual AI | 0.70-0.95 |\n| OCR | Optical character recognition\
\ | 0.80-0.98 |\n| PLATFORM_PROVIDED | From YouTube/Vimeo API | 0.85-0.95 |\n\n**HERITAGE INSTITUTION CONTEXT**:\n\nVideo text content is critical for:\n- **Accessibility**: Deaf/HoH users need accurate captions\n- **Discovery**: Full-text search over video collections\n- **Preservation**: Text outlasts video format obsolescence\n- **Research**: Analyzing spoken content at scale\n- **Translation**: Multilingual access to heritage content\n\n**LANGUAGE SUPPORT**:\n\n- `content_language`: Primary language of text content\n- May differ from video's default_audio_language if translated\n- ISO 639-1 codes (e.g., \"nl\", \"en\", \"de\")\n"
exact_mappings:
- crm:E73_Information_Object
close_mappings:
- prov:Entity
related_mappings:
- schema:CreativeWork
- dcterms:Text
slots:
- has_or_had_language
- content_title
- generated_by
- is_or_was_generated_by
- temporal_extent
- is_verified
- model_provider
- model_version
- overall_confidence
- processing_duration_seconds
- source_video
- source_video_url
- specificity_annotation
- has_or_had_score
- temporal_extent
- is_or_was_verified_by
- has_or_had_quantity
slot_usage:
source_video:
range: string
required: true
examples:
- value: FbIoC-Owy-M
description: YouTube video ID as source reference
source_video_url:
range: uri
required: false
examples:
- value: https://www.youtube.com/watch?v=FbIoC-Owy-M
description: Full YouTube video URL
has_or_had_language:
range: Language
required: true
inlined: true
multivalued: true
description: |
Language of the content.
MIGRATED from content_language (2026-01-28).
examples:
- value:
iso_639_1: "nl"
language_name: "Dutch"
description: Dutch language content
- value:
iso_639_1: "en"
language_name: "English"
description: English translation
content_title:
range: string
required: false
examples:
- value: De Vrijheidsroute Ep.3 - Dutch Transcript
description: Descriptive title for transcript
generated_by:
range: string
required: true
examples:
- value: openai/whisper-large-v3
description: OpenAI Whisper ASR model
- value: YouTube Auto-captions
description: Platform-provided captions
- value: manual:curator@rijksmuseum.nl
description: Human transcriber
is_or_was_generated_by:
description: 'Method used to generate this text content.
MIGRATED from generation_method per Rule 53.
Uses GenerationEvent linking to Methodology (was GenerationMethodEnum).
'
range: GenerationEvent
required: true
inlined: true
examples:
- value:
has_or_had_methodology:
methodology_type: ASR_AUTOMATIC
has_or_had_label: Automatic Speech Recognition
description: Automatic speech recognition
- value:
has_or_had_methodology:
methodology_type: MANUAL_TRANSCRIPTION
has_or_had_label: Manual Transcription
description: Human transcription
temporal_extent:
description: 'Verification date using CIDOC-CRM TimeSpan.
MIGRATED from verification_date per slot_fixes.yaml (Rule 53).
Use begin_of_the_begin for the verification timestamp.
'
range: TimeSpan
inlined: true
required: false
examples:
- value:
begin_of_the_begin: '2025-12-02T15:00:00Z'
description: Verified December 2, 2025
model_version:
range: string
required: false
examples:
- value: large-v3
description: Whisper model version
- value: v2.3.1
description: Software version number
model_provider:
range: string
required: false
examples:
- value: OpenAI
description: Model provider
- value: Google Cloud
description: Cloud service provider
overall_confidence:
range: float
required: false
minimum_value: 0.0
maximum_value: 1.0
examples:
- value: 0.92
description: High confidence ASR output
is_verified:
range: boolean
required: false
ifabsent: 'false'
examples:
- value: true
description: Human-verified transcript
is_or_was_verified_by:
range: Verifier
required: false
inlined: true
description: 'Who verified the annotation.
MIGRATED from verified_by slot (2026-01-14) per Rule 53.
Uses Verifier class for structured verifier with name, type, and URI.
'
examples:
- value: 'verifier_name: curator@rijksmuseum.nl
verifier_type: PERSON
'
description: Staff member who verified
processing_duration_seconds:
range: float
required: false
minimum_value: 0.0
examples:
- value: 45.3
description: Processed in 45.3 seconds
has_or_had_quantity:
range: Quantity
required: false
multivalued: true
inlined: true
inlined_as_list: true
description: 'Quantitative measurements of the text content.
MIGRATED: word_count (2026-01-14) and character_count (2026-01-18) per Rule 53.
Uses Quantity class for structured quantity with value, type, and unit.
Can represent word count, character count, or other text metrics.
'
examples:
- value:
- quantity_value: 1523
quantity_type: WORD_COUNT
has_or_had_measurement_unit:
has_or_had_type: WORD
has_or_had_symbol: words
has_or_had_description: Word count in transcript
- quantity_value: 8742
quantity_type: CHARACTER_COUNT
has_or_had_measurement_unit:
has_or_had_type: CHARACTER
has_or_had_symbol: chars
has_or_had_description: Character count including spaces
description: Text metrics (word and character count)
comments:
- Abstract base for all video-derived text content
- Comprehensive PROV-O provenance tracking
- Confidence scoring for AI-generated content
- Verification workflow support
- Critical for heritage accessibility and discovery
see_also:
- https://www.w3.org/TR/prov-o/
- http://www.cidoc-crm.org/cidoc-crm/E73_Information_Object
annotations:
specificity_score: 0.1
specificity_rationale: Generic utility class/slot created during migration
custodian_types: "['*']"
custodian_types_rationale: Universal utility concept
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