glam/schemas/20251121/linkml/modules/classes/AuxiliaryDigitalPlatform.yaml

id: https://nde.nl/ontology/hc/class/auxiliary-digital-platform
name: auxiliary_digital_platform_class
title: AuxiliaryDigitalPlatform Class
imports:
- linkml:types
- ../classes/ArchivalStatus
- ../slots/has_or_had_documentation
- ../slots/has_or_had_endpoint
- ../slots/has_or_had_identifier
- ../slots/has_or_had_score
- ../slots/has_or_had_status
- ../slots/has_or_had_technological_infrastructure
- ../slots/has_or_had_type
- ../slots/is_auxiliary_of_platform
- ../slots/is_or_was_archived_at
- ../slots/is_or_was_based_on
- ../slots/is_or_was_derived_from
- ../slots/is_or_was_generated_by
- ../slots/linked_data
- ../slots/platform_description
- ../slots/platform_name
- ../slots/platform_purpose
- ../slots/platform_url
- ../slots/receives_or_received
- ../slots/refers_to_custodian
- ../slots/related_project
- ../slots/serves_finding_aid
- ../slots/specificity_annotation
- ../slots/temporal_extent
- ./CMS
- ./CMSType
- ./CollectionManagementSystem
- ./Custodian
- ./CustodianObservation
- ./DataServiceEndpoint
- ./DataServiceEndpointTypes
- ./DigitalPlatform
- ./DigitalPlatformType
- ./DigitalPlatformTypes
- ./Documentation
- ./FundingSource
- ./METSAPI
- ./OAIPMHEndpoint
- ./PlatformType
- ./ReconstructedEntity
- ./ReconstructionActivity
- ./SearchAPI
- ./SpecificityAnnotation
- ./TechnologicalInfrastructure
- ./TechnologicalInfrastructureType
- ./TechnologicalInfrastructureTypes
- ./TemplateSpecificityScore
- ./TemplateSpecificityType
- ./TemplateSpecificityTypes
- ./TimeSpan
- ./ArchivalStatus
prefixes:
  linkml: https://w3id.org/linkml/
  hc: https://nde.nl/ontology/hc/
  schema: http://schema.org/
  dcat: http://www.w3.org/ns/dcat#
  dcterms: http://purl.org/dc/terms/
  foaf: http://xmlns.com/foaf/0.1/
  prov: http://www.w3.org/ns/prov#
  skos: http://www.w3.org/2004/02/skos/core#
  doap: http://usefulinc.com/ns/doap#
  premis: http://www.loc.gov/premis/rdf/v3/
  crm: http://www.cidoc-crm.org/cidoc-crm/
classes:
  AuxiliaryDigitalPlatform:
    is_a: ReconstructedEntity
    class_uri: dcat:Catalog
    description: "Subordinate or project-based digital platform associated with a heritage custodian.\n\n**CRITICAL DISTINCTION - THREE-TIER DIGITAL PLATFORM MODEL**:\n\n1. **DigitalPlatform** (main digital entry point):\n   - Primary web presence of the custodian\n   - Main website, primary API, flagship digital platform\n   - Like CustodianPlace is the preferred place reference\n   - Examples: rijksmuseum.nl, europeana.eu, nationaalarchief.nl\n   \n2. **AuxiliaryDigitalPlatform** (subordinate platforms) - THIS CLASS:\n   - Secondary digital properties: project sites, exhibition microsites\n   - Like CustodianAppellation is to CustodianName\n   - Examples: project websites, temporary exhibition portals, specialized tools\n   \n3. **DigitalPlatformType** (custodian type classification):\n   - For digital-FIRST custodians (no physical building)\n   - Applied at Custodian.custodian_type level\n   - Examples: Europeana (aggregation platform), Internet Archive\n\n**DCAT ALIGNMENT**:\n\n`dcat:Catalog`\
      \ - \"A curated collection of metadata about datasets\"\n\nKey properties:\n- `dcat:dataset` - links to datasets/collections\n- `dcat:service` - data services provided\n- `dcterms:isPartOf` - links to parent catalog\n\n**RELATIONSHIP TO DIGITALPLATFORM**:\n\nAuxiliaryDigitalPlatform represents SUBORDINATE digital presence\nDigitalPlatform represents PRIMARY digital entry point\n\n```\nCustodian (hub)\n  \u2502\n  \u2514\u2500\u2500 digital_platform \u2192 DigitalPlatform (main digital entry)\n      \u2514\u2500\u2500 auxiliary_platforms \u2192 AuxiliaryDigitalPlatform (project sites)\n```\n\n**USE CASES**:\n\n1. **Project Websites**:\n   - Rijksmuseum \u2192 Rijksstudio API (separate from main website)\n   - National Archives \u2192 WW2 Portal (thematic project)\n\n2. **Exhibition Microsites**:\n   - Temporary exhibition with dedicated website\n   - Virtual tour for specific collection\n\n3. **Specialized Tools/Apps**:\n   - Mobile app (separate from responsive website)\n   - Collection\
      \ browser tool\n   - Crowdsourcing platform\n\n4. **Legacy/Archived Platforms**:\n   - Previous website versions\n   - Deprecated APIs still in use\n\n5. **Grant-Funded Projects**:\n   - EU-funded digitization project portal\n   - Research project data portal\n\n6. **Educational Platforms**:\n   - Teacher resources portal\n   - Student learning modules\n   - Workshop booking system\n\n**Example - Rijksmuseum Auxiliary Platforms**:\n```yaml\nCustodian:\n  has_or_had_identifier: \"https://nde.nl/ontology/hc/nl-nh-ams-m-rm-q190804\"\n  preferred_label: \"Rijksmuseum\"\n  digital_platform:\n    - platform_name: \"Rijksmuseum Website\"\n      homepage_web_address: \"https://www.rijksmuseum.nl/\"\n      auxiliary_platforms:\n        - platform_name: \"Rijksstudio\"\n          auxiliary_platform_type: PROJECT_WEBSITE\n          platform_url: \"https://www.rijksmuseum.nl/nl/rijksstudio\"\n          platform_purpose: \"Personal collection creation and high-res image downloads\"\n        - platform_name: \"\
      Rijksmuseum Data API\"\n          auxiliary_platform_type: API_ENDPOINT\n          platform_url: \"https://data.rijksmuseum.nl/\"\n          platform_purpose: \"Developer access to collection metadata and images\"\n        - platform_name: \"Night Watch Experience\"\n          auxiliary_platform_type: EXHIBITION_MICROSITE\n          platform_url: \"https://www.rijksmuseum.nl/en/stories/operation-night-watch\"\n          platform_purpose: \"Interactive exploration of Night Watch research project\"\n```\n\n**TEMPORAL VALIDITY**:\n\nAuxiliary platforms often have finite lifespans:\n- Exhibition microsite: opens with exhibition, archived after closure\n- Project portal: funded period, then deprecated or integrated\n- Legacy platforms: valid_to when replaced by new system\n"
    exact_mappings:
    - dcat:Catalog
    close_mappings:
    - schema:WebSite
    - schema:WebApplication
    - dcat:DataService
    - foaf:Document
    - doap:Project
    related_mappings:
    - dcterms:isPartOf
    - schema:isRelatedTo
    - dcat:servesDataset
    slots:
    - has_or_had_documentation
    - has_or_had_archival_status
    - is_or_was_archived_at
    - has_or_had_identifier
    - has_or_had_type
    - is_or_was_based_on
    - has_or_had_endpoint
    - fixity_info
    - receives_or_received
    - iiif_support
    - is_auxiliary_of_platform
    - linked_data
    - platform_description
    - platform_name
    - platform_purpose
    - platform_url
    - has_or_had_powered_by_cm
    - has_or_had_type
    - provides_access_to
    - refers_to_custodian
    - related_project
    - serves_finding_aid
    - specificity_annotation
    - has_or_had_technological_infrastructure
    - has_or_had_score
    - temporal_extent
    - is_or_was_derived_from
    - is_or_was_generated_by
    slot_usage:
      has_or_had_identifier:
        range: uriorcurie
        required: true
        identifier: true
        examples:
        - value: https://nde.nl/ontology/hc/aux-platform/rijksmuseum-rijksstudio
          description: Rijksstudio platform ID
      platform_name:
        range: string
        required: true
        examples:
        - value: Rijksstudio
          description: Personal collection tool
        - value: Operation Night Watch
          description: Research project microsite
        - value: WW2 Portal
          description: Thematic archive portal
      has_or_had_type:
        range: string
        required: false
        examples:
        - value: web_harvest
          description: Platform captured via Internet Archive
        - value: migration
          description: Content migrated to successor platform
      platform_url:
        range: uri
        required: true
        pattern: ^https?://
        examples:
        - value: https://www.rijksmuseum.nl/nl/rijksstudio
          description: Rijksstudio URL
        - value: https://data.rijksmuseum.nl/
          description: Data API URL
      platform_purpose:
        range: string
        examples:
        - value: Personal collection creation and high-res image downloads
          description: Rijksstudio purpose
        - value: Interactive exploration of Night Watch research project
          description: Exhibition microsite purpose
      platform_description:
        range: string
        examples:
        - value: Rijksstudio allows users to create personal collections from the Rijksmuseum's digitized artworks, download high-resolution images, and share curated sets with others.
          description: Detailed platform description
      has_or_had_documentation:
        description: Documentation resources for this auxiliary platform (API docs, user guides, etc.)
        range: uri
        multivalued: true
        examples:
        - value: https://data.rijksmuseum.nl/object-metadata/api/
          description: API documentation URL
      has_or_had_technological_infrastructure:
        description: 'Structured technology stack components used by this platform.
          MIGRATED from simple string list to TechnologicalInfrastructure class
          for better semantic modeling, versioning, and component relationships.
          '
        range: TechnologicalInfrastructure
        multivalued: true
        inlined_as_list: true
        examples:
        - value:
            has_or_had_identifier: tech-react-frontend
            has_or_had_type: FrontendFramework
            has_or_had_label: React
            has_or_had_version: '18.2'
          description: React frontend framework
        - value:
            has_or_had_identifier: tech-django-backend
            has_or_had_type: BackendFramework
            has_or_had_label: Python/Django
            has_or_had_version: '4.2'
            includes_or_included:
            - Django REST Framework
          description: Django backend stack with REST framework
      is_auxiliary_of_platform:
        range: DigitalPlatform
        required: true
        examples:
        - value: https://nde.nl/ontology/hc/platform/rijksmuseum-website
          description: Main Rijksmuseum website
      provides_access_to:
        range: uriorcurie
        multivalued: true
        examples:
        - value: https://nde.nl/ontology/hc/collection/rm-paintings
          description: Paintings collection
      related_project:
        range: string
        examples:
        - value: Operation Night Watch
          description: Research project name
        - value: 'EU Horizon 2020 Grant #123456'
          description: Grant reference
      receives_or_received:
        description: 'Funding source(s) for the auxiliary platform.
          MIGRATED from funding_source per Rule 53.
          Uses frapo:isFundedBy via receives_or_received slot.
          '
        range: FundingSource
        inlined: true
        examples:
        - value:
            has_or_had_label: European Commission Horizon 2020
          description: EU funding
        - value:
            has_or_had_label: Mondriaan Fund
          description: Dutch cultural fund
      iiif_support:
        range: boolean
        examples:
        - value: true
          description: IIIF enabled
      linked_data:
        range: boolean
        examples:
        - value: true
          description: Provides RDF/JSON-LD
      temporal_extent:
        description: 'Platform validity period using CIDOC-CRM TimeSpan.
          MIGRATED from valid_from + valid_to per slot_fixes.yaml (Rule 53).
          Replaces separate valid_from/valid_to slots with unified temporal model.
          '
        range: TimeSpan
        examples:
        - value:
            begin_of_the_begin: '2018-06-01'
            end_of_the_end: '2021-12-31'
          description: Platform launched June 2018, closed end of 2021
      has_or_had_status:
        range: ArchivalStatus
        inlined: true
        description: 'Archival status of the platform (ACTIVE, DEPRECATED, MIGRATED).
          MIGRATED from has_or_had_archival_status per Rule 53.
          Uses ArchivalStatus class.
          '
        examples:
        - value:
            has_or_had_code: ACTIVE
            has_or_had_label: Active
          description: Preserved in web archive
        - value:
            has_or_had_code: DEPRECATED
            has_or_had_label: Deprecated
          description: Still accessible but not maintained
        - value:
            has_or_had_code: MIGRATED
            has_or_had_label: Migrated
          description: Content migrated to successor platform
      is_or_was_archived_at:
        description: URL where this platform is or was archived (e.g., Wayback Machine)
        range: uri
        examples:
        - value: https://web.archive.org/web/20211231/https://example.nl/exhibition/
          description: Wayback Machine URL
      fixity_info:
        range: string
        required: false
        examples:
        - value: sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
          description: SHA-256 checksum of archived content
      is_or_was_based_on:
        description: 'CMS detected on this platform (replaces boolean cms_detected).
          MIGRATED from boolean flag to structured CMS reference.
          If present, a CMS was detected; if absent, no CMS detected.
          **Migration**:
          - Old: cms_detected: true
          - New: is_or_was_based_on: {cms_name: WordPress, cms_version: "6.4"}
          '
        range: CMS
        multivalued: true
        inlined_as_list: true
        required: false
        examples:
        - value:
            cms_name: WordPress
            cms_version: 6.4.2
            has_or_had_type: CustomCMS
            detected_at: '2026-01-19T12:00:00Z'
            detection_method: HTTP_HEADER
          description: CMS detected via HTTP header
        - value:
            cms_name: Omeka S
            cms_version: 4.0.1
            has_or_had_type: MuseumCMS
            detection_method: URL_PATTERN
          description: Omeka S detected via URL pattern
      has_or_had_powered_by_cm:
        range: CollectionManagementSystem
        multivalued: true
        required: false
        examples:
        - value: https://nde.nl/ontology/hc/cms/rijksmuseum-adlib
          description: Auxiliary platform powered by Adlib CMS
      is_or_was_derived_from:
        range: CustodianObservation
        multivalued: true
        required: false
      is_or_was_generated_by:
        range: ReconstructionActivity
        required: false
      refers_to_custodian:
        range: Custodian
        required: true
        examples:
        - value: https://nde.nl/ontology/hc/nl-nh-ams-m-rm-q190804
          description: Rijksmuseum custodian hub
      serves_finding_aid:
        range: uriorcurie
        multivalued: true
        inlined_as_list: true
        required: false
        examples:
        - value: https://nde.nl/ontology/hc/finding-aid/rm/night-watch-guide
          description: Night Watch Exhibition finding aid
      has_or_had_data_service_endpoint:
        range: DataServiceEndpoint
        multivalued: true
        inlined_as_list: true
        required: false
        examples:
        - value:
          - endpoint_id: https://nde.nl/ontology/hc/endpoint/rijksstudio-api
            endpoint_name: Rijksstudio Image API
            has_or_had_url: https://www.rijksmuseum.nl/api/nl/collection
            protocol: REST_JSON
            status: ACTIVE
          description: Rijksstudio auxiliary platform endpoints
    comments:
    - AuxiliaryDigitalPlatform models SUBORDINATE digital properties
    - DigitalPlatform models PRIMARY digital entry point
    - Analogous to CustodianAppellation for alternative names
    - DCAT dcat:Catalog for secondary data catalogs/services
    - Temporal validity tracks platform lifecycle (launched/deprecated/archived)
    - Links back to DigitalPlatform via is_auxiliary_of_platform
    - Important for project-based and exhibition microsites with finite lifespans
    see_also:
    - https://www.w3.org/TR/vocab-dcat-2/#Class:Catalog
    - https://www.w3.org/TR/vocab-dcat-2/#Property:catalog_service
    - https://schema.org/archivedAt
    - http://usefulinc.com/ns/doap#
    examples:
    - value:
        has_or_had_identifier: https://nde.nl/ontology/hc/aux-platform/rijksmuseum-rijksstudio
        platform_name: Rijksstudio
        has_or_had_type:
          has_or_had_label: ProjectWebsite
        platform_url: https://www.rijksmuseum.nl/nl/rijksstudio
        platform_purpose: Personal collection creation and high-res image downloads
        platform_description: Rijksstudio allows users to create personal collections from the Rijksmuseum's digitized artworks, download high-resolution images, and share curated sets with others.
        is_auxiliary_of_platform: https://nde.nl/ontology/hc/platform/rijksmuseum-website
        provides_access_to:
        - https://nde.nl/ontology/hc/collection/rm-paintings
        - https://nde.nl/ontology/hc/collection/rm-prints
        iiif_support: true
        linked_data: false
        valid_from: '2012-10-01'
        has_or_had_status:
          has_or_had_code: ACTIVE
        refers_to_custodian: https://nde.nl/ontology/hc/nl-nh-ams-m-rm-q190804
      description: Rijksstudio personal collection platform
    - value:
        has_or_had_identifier: https://nde.nl/ontology/hc/aux-platform/rijksmuseum-data-api
        platform_name: Rijksmuseum Data API
        has_or_had_type:
          has_or_had_label: APIEndpoint
        platform_url: https://data.rijksmuseum.nl/
        platform_purpose: Developer access to collection metadata and images
        has_or_had_documentation: https://data.rijksmuseum.nl/object-metadata/api/
        has_or_had_technological_infrastructure:
        - has_or_had_identifier: tech-rest-api
          has_or_had_type: RESTful
          has_or_had_label: REST API
          has_or_had_description: RESTful API protocol for data access
        - has_or_had_identifier: tech-json-format
          has_or_had_type: APIProtocol
          has_or_had_label: JSON
          has_or_had_description: JSON data format for API responses
        is_auxiliary_of_platform: https://nde.nl/ontology/hc/platform/rijksmuseum-website
        iiif_support: true
        linked_data: true
        valid_from: '2013-03-01'
        has_or_had_status:
          has_or_had_code: ACTIVE
        refers_to_custodian: https://nde.nl/ontology/hc/nl-nh-ams-m-rm-q190804
      description: Rijksmuseum developer API
    - value:
        has_or_had_identifier: https://nde.nl/ontology/hc/aux-platform/rm-night-watch-experience
        platform_name: Operation Night Watch
        has_or_had_type:
          has_or_had_label: ExhibitionMicrosite
        platform_url: https://www.rijksmuseum.nl/en/stories/operation-night-watch
        platform_purpose: Interactive exploration of Night Watch research project
        related_project: Operation Night Watch
        receives_or_received:
          has_or_had_label: ING Bank
        is_auxiliary_of_platform: https://nde.nl/ontology/hc/platform/rijksmuseum-website
        iiif_support: true
        valid_from: '2019-07-01'
        has_or_had_status:
          has_or_had_code: ACTIVE
        refers_to_custodian: https://nde.nl/ontology/hc/nl-nh-ams-m-rm-q190804
      description: Night Watch research project microsite
    - value:
        has_or_had_identifier: https://nde.nl/ontology/hc/aux-platform/na-ww2-portal
        platform_name: WW2 Archives Portal
        has_or_had_type:
          has_or_had_label: ProjectWebsite
        platform_url: https://www.nationaalarchief.nl/onderzoeken/zoekhulpen/ww2
        platform_purpose: Thematic portal for World War 2 archival research
        platform_description: Specialized portal providing access to WW2-related archives including resistance records, persecution documents, and liberation materials.
        is_auxiliary_of_platform: https://nde.nl/ontology/hc/platform/nationaal-archief-website
        provides_access_to:
        - https://nde.nl/ontology/hc/collection/na-resistance-archives
        - https://nde.nl/ontology/hc/collection/na-liberation-photos
        valid_from: '2015-05-05'
        has_or_had_status:
          has_or_had_code: ACTIVE
        refers_to_custodian: https://nde.nl/ontology/hc/nl-na
      description: National Archives WW2 thematic portal
    annotations:
      specificity_score: 0.1
      specificity_rationale: Generic utility class/slot created during migration
      custodian_types: "['*']"