6c3fa6b5a3
- Deleted obsolete slot definitions for work_location and workshop_space. - Introduced new TaxonName class to represent scientific taxonomic names with detailed attributes. - Archived existing slots related to surname_prefix, target_name, taxon_name, terminal_count, text_region_count, title, title_proper, total_chapter, total_characters_extracted, total_connections_extracted, track_name, transcript_format, traveling_venue, type_label, type_status, typical_responsibility, unesco_domain, unesco_inscription_year, unesco_list_status, uniform_title, unit_name, used_by_custodian, uv_filtered_required, valid_from_geo, valid_to_geo, validation_status, variant_of_name, verification_date, viability_status, within_auxiliary_place, and within_place. - Updated slot descriptions and structures to improve clarity and compliance with standards.
236 lines
10 KiB
YAML
236 lines
10 KiB
YAML
id: https://nde.nl/ontology/hc/class/SocialMediaPost
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name: social_media_post_class
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title: Social Media Post Class
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imports:
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- linkml:types
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- ./SocialMediaProfile
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- ./SocialMediaPlatformType
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- ./SocialMediaPostType
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- ./TimeSpan
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- ./WebObservation
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- ../slots/language
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- ../slots/has_or_had_api_endpoint
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- ../slots/description
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- ../slots/platform_type
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- ../slots/has_or_had_label # was: title - migrated per Rule 53
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- ../slots/has_api_version
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- ../slots/content_category
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- ../slots/is_official_content
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- ../slots/post_id
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- ../slots/has_or_had_post_type
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- ../slots/post_url
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- ../slots/posted_by_profile
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- ../slots/published_at
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- ../slots/retrieval_timestamp
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- ../slots/specificity_annotation
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- ../slots/tag
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- ../slots/template_specificity
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- ../slots/thumbnail_url
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- ../slots/updated_at
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- ./SpecificityAnnotation
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- ./TemplateSpecificityScores
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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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prov: http://www.w3.org/ns/prov#
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crm: http://www.cidoc-crm.org/cidoc-crm/
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skos: http://www.w3.org/2004/02/skos/core#
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as: https://www.w3.org/ns/activitystreams#
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default_prefix: hc
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classes:
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SocialMediaPost:
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class_uri: as:Object
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abstract: false
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description: "Concrete class for social media posts/content items.\n\n**DEFINITION**:\n\nSocialMediaPost represents a\
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\ discrete piece of content published on a social media\nplatform. This includes videos, images, text posts, stories,\
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\ carousels, threads,\nand other content types. Each post is published by a SocialMediaProfile (account/channel).\n\n\
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**CRITICAL: MULTIVALUED POST TYPES**:\n\nA single SocialMediaPost can have **multiple** post types via the `post_types`\
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\ slot.\nThis reflects the reality that social media content often combines formats:\n\n| Post Example | Primary Type\
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\ | Secondary Types |\n|--------------|--------------|-----------------|\n| Instagram carousel with videos | CarouselPostType\
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\ | ImagePostType, VideoPostType |\n| Twitter thread with images | ThreadPostType | TextPostType, ImagePostType |\n\
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| YouTube Live archived as video | LiveStreamPostType | VideoPostType |\n| Podcast with video recording | AudioPostType\
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\ | VideoPostType |\n| Story highlight (saved) | StoryPostType | ImagePostType, VideoPostType |\n\n**TYPE ORDERING CONVENTION**:\n\
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- First type in list = primary/dominant format\n- Subsequent types = secondary characteristics\n- Order matters for\
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\ display and categorization\n\n**CRITICAL: POST vs PROFILE vs PLATFORM**:\n\n| Class | Represents | Example | Cardinality\
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\ |\n|-------|------------|---------|-------------|\n| SocialMediaPlatformType | Platform category | YouTube | ~25 types\
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\ |\n| SocialMediaProfile | Account/channel | @rijksmuseum | Thousands |\n| **SocialMediaPost** | Individual content\
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\ | A video, post | Millions |\n\n**ACTIVITY STREAMS 2.0 ALIGNMENT**:\n\nMaps to `as:Object` from W3C Activity Streams\
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\ 2.0 vocabulary:\n- as:Object is the base type for content in social media\n- Individual posts may also map to as:Video,\
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\ as:Image, as:Note based on post_types\n- Enables federation with ActivityPub-based platforms (Mastodon, PeerTube)\n\
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\n**HERITAGE INSTITUTION CONTEXT**:\n\nSocial media content from heritage institutions includes:\n\n1. **Official content**\
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\ (posted by the institution):\n - Collection highlights (ImagePostType)\n - Exhibition announcements (TextPostType)\n\
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\ - Educational videos (VideoPostType)\n - Behind-the-scenes content (ShortVideoPostType, StoryPostType)\n - Event\
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\ recordings (LiveStreamPostType → VideoPostType)\n - Curator interviews (VideoPostType, AudioPostType)\n - Multi-image\
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\ collection stories (CarouselPostType)\n\n2. **Third-party content** (about the institution):\n - Visitor videos/photos\n\
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\ - News coverage\n - Academic discussions\n - Review content\n\n3. **User-generated content** (mentions):\n \
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\ - Tagged posts\n - Check-ins\n - Comments/discussions\n\n**PROVENANCE TRACKING**:\n\nContent items are OBSERVATIONAL\
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\ data retrieved via:\n- Platform APIs (YouTube Data API, Twitter API, etc.)\n- Web scraping (when API unavailable)\n\
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- Manual archival\n\nEach content record includes:\n- `retrieval_timestamp`: When content was fetched\n- `api_endpoint`:\
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\ Which API/method was used\n- `metrics_observed_date`: When engagement metrics were recorded\n\n**TEMPORAL CONSIDERATIONS**:\n\
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\nContent has multiple temporal dimensions:\n- `published_at`: When originally posted\n- `updated_at`: Last modification\
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\ by author\n- `retrieval_timestamp`: When we fetched it\n- `metrics_observed_date`: When metrics (views, likes) were\
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\ recorded\n\nEngagement metrics change constantly; always record observation timestamp.\n\n**SUBCLASSES FOR SPECIALIZED\
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\ CONTENT**:\n\nWhile SocialMediaPost can represent any content with post_types,\nspecialized subclasses provide additional\
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\ platform-specific slots:\n\n- **VideoPost**: YouTube, TikTok, Vimeo videos (duration, definition, captions)\n- **ImagePost**:\
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\ Instagram, Pinterest posts (dimensions, alt_text) [future]\n- **TextPost**: Twitter/X, Mastodon posts (character_count)\
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\ [future]\n- **StoryPost**: Instagram/Facebook stories (ephemeral, segments) [future]\n"
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exact_mappings:
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- as:Object
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close_mappings:
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- schema:CreativeWork
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- crm:E73_Information_Object
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related_mappings:
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- schema:SocialMediaPosting
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- dcterms:BibliographicResource
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slots:
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- has_or_had_api_endpoint
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- has_api_version
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- content_category
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- description
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- is_official_content
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- language
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- platform_type
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- post_id
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- has_or_had_post_type
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- post_url
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- posted_by_profile
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- published_at
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- retrieval_timestamp
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- specificity_annotation
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- tag
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- template_specificity
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- thumbnail_url
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- has_or_had_label # was: title
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- updated_at
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slot_usage:
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post_id:
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range: string
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required: true
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identifier: true
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examples:
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- value: FbIoC-Owy-M
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description: YouTube video ID
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- value: '1234567890123456789'
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description: Twitter/X tweet ID
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post_url:
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range: uri
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required: true
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pattern: ^https?://
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examples:
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- value: https://www.youtube.com/watch?v=FbIoC-Owy-M
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description: YouTube video URL
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has_or_had_post_type:
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range: SocialMediaPostType
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multivalued: true
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required: true
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inlined: false
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examples:
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- value: '[VideoPostType]'
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description: Standard video content
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- value: '[CarouselPostType, ImagePostType, VideoPostType]'
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description: Instagram carousel with mixed media
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platform_type:
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range: SocialMediaPlatformType
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required: true
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inlined: false
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examples:
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- value: YouTube
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description: Posted on YouTube
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posted_by_profile:
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range: SocialMediaProfile
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required: false
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inlined: false
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examples:
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- value: https://nde.nl/ontology/hc/social-media/nationaal-onderduikmuseum-youtube
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description: Museum's YouTube channel profile
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has_or_had_label: # was: title
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range: string
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required: false
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examples:
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- value: De Vrijheidsroute (aflevering 3) – Zevenaar, Duiven, Westervoort
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description: YouTube video title
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description:
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range: string
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required: false
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examples:
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- value: De videoreeks De Vrijheidsroute is gebaseerd op de gelijknamige fietsroute...
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description: YouTube video description
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published_at:
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range: datetime
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required: true
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examples:
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- value: '2025-07-30T18:05:15Z'
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description: Published July 30, 2025
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updated_at:
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range: datetime
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required: false
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examples:
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- value: '2025-08-01T10:30:00Z'
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description: Last edited August 1, 2025
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language:
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range: string
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required: false
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examples:
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- value: nl
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description: Dutch language content
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tag:
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range: string
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multivalued: true
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required: false
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examples:
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- value:
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- 80 jaar vrijheid
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- wo2
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- vrijheidsroute
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description: YouTube video tags
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thumbnail_url:
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range: uri
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required: false
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examples:
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- value: https://i.ytimg.com/vi/FbIoC-Owy-M/hqdefault.jpg
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description: YouTube video thumbnail
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is_official_content:
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range: boolean
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required: false
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ifabsent: 'true'
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examples:
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- value: true
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description: Posted by official museum channel
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content_category:
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range: string
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required: false
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examples:
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- value: '22'
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description: YouTube category ID for People & Blogs
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retrieval_timestamp:
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range: datetime
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required: true
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examples:
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- value: '2025-12-01T23:16:22.294232+00:00'
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description: Retrieved December 1, 2025
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has_or_had_api_endpoint:
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range: string
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required: false
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examples:
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- value: https://www.googleapis.com/youtube/v3
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description: YouTube Data API v3
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has_api_version:
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range: string
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required: false
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examples:
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- value: v3
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description: YouTube API version 3
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comments:
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- Concrete class for social media posts
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- post_types is MULTIVALUED - a post can have multiple content types
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- First type in post_types list is the primary format
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- Use specialized subclasses (VideoPost) for platform-specific properties
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- Activity Streams 2.0 alignment enables ActivityPub federation
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- Metrics are observational - always include retrieval_timestamp
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see_also:
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- https://www.w3.org/ns/activitystreams#Object
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- https://schema.org/CreativeWork
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- https://schema.org/SocialMediaPosting
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