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glam/schemas/20251121/linkml/modules/classes/WebPortal.yaml
kempersc fcd1c21c63 Add aliases and enhance slot definitions across various modules 
- Added new aliases for existing slots to improve clarity and usability, including:
  - has_deadline: has_embargo_end_date
  - has_extent: has_extent_text
  - has_fonds: has_fond
  - has_laboratory: conservation_lab
  - has_language: has_iso_code639_1, has_iso_code639_3
  - has_legal_basis: legal_basis
  - has_light_exposure: max_light_lux
  - has_measurement_unit: has_unit
  - has_note: has_custodian_observation
  - has_occupation: occupation
  - has_operating_hours: has_operating_hours
  - has_position: position
  - has_quantity: has_artwork_count, link_count
  - has_roadmap: review_date
  - has_skill: skill
  - has_speaker: speaker_label
  - has_specification: specification_url
  - has_statement: rights_statement_url, rights_statement
  - has_type: custodian_only
  - has_user_category: serves_visitors_only
  - hold_record_set: record_count
  - identified_by: has_index_number
  - in_period: has_period
  - in_place: has_place
  - in_series: has_series
  - measure: has_measurement
  - measured_on: measurement_date
  - organized_by: has_organizer
  - originate_from: has_origin
  - part_of: suborganization_of
  - published_on: has_publication_date
  - receive_investment: has_investment
  - related_to: connection_heritage_type
  - require: preservation_requirement
  - safeguarded_by: current_keeper, record_holder_note
  - state: states_or_stated
  - take_comission: takes_or_took_comission
  - take_place_at: takes_or_took_place_at
  - transmit_through: transmits_or_transmitted_through
  - warrant: warrants_or_warranted

- Introduced a new slot definition for evaluated_through to capture evaluation methodologies and review statuses.
2026-02-14 14:41:49 +01:00

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YAML
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id: https://nde.nl/ontology/hc/class/WebPortal
name: WebPortal
imports:
- linkml:types
- ../slots/aggregate_from
- ../slots/created_by
- ../slots/has_endpoint
- ../slots/identified_by
- ../slots/has_policy
- ../slots/has_scope
- ../slots/has_score
- ../slots/aggregated_by
- ../slots/associated_with
- ../slots/derive_from
- ../slots/generated_by
- ../slots/related_to
- ../slots/begin_of_the_begin
- ../slots/has_standard
- ../slots/operated_by
- ../slots/has_participant
- ../slots/has_description
- ../slots/has_language
- ../slots/has_label
- ../slots/has_status
- ../slots/has_type
- ../slots/has_url
- ../slots/has_quantity
- ../slots/has_finding_aid
- ../slots/supersede
- ../slots/temporal_extent
prefixes:
linkml: https://w3id.org/linkml/
hc: https://nde.nl/ontology/hc/
schema: http://schema.org/
dcterms: http://purl.org/dc/terms/
edm: http://www.europeana.eu/schemas/edm/
prov: http://www.w3.org/ns/prov#
foaf: http://xmlns.com/foaf/0.1/
ore: http://www.openarchives.org/ore/terms/
skos: http://www.w3.org/2004/02/skos/core#
odrl: http://www.w3.org/ns/odrl/2/
org: http://www.w3.org/ns/org#
dcmitype: http://purl.org/dc/dcmitype/
default_prefix: hc
classes:
WebPortal:
is_a: ReconstructedEntity
class_uri: ore:Aggregation
description: "A web portal that aggregates or provides discovery access to heritage\nmetadata from multiple custodian institutions.\n\n**DEFINITION**:\n\nWebPortal represents AGGREGATION/DISCOVERY portals - platforms that collect\nand expose metadata from multiple heritage institutions. Distinguished from:\n- **DigitalPlatform**: A single custodian's website/online presence\n- **CollectionManagementSystem**: Backend software managing collection data\n\n**KEY CHARACTERISTICS**:\n\n1. **Multi-Institution Aggregation**: Portals aggregate metadata from many institutions\n2. **Discovery Focus**: Primary purpose is search/discovery across collections\n3. **Standardized Metadata**: Use common standards (EDM, Dublin Core, EAD, LIDO)\n4. **Technical Infrastructure**: Provide APIs, OAI-PMH endpoints, SPARQL\n5. **Operated by Networks**: Typically run by EncompassingBody (Network, Consortium)\n\n**RELATIONSHIP ARCHITECTURE**:\n\n```\nEncompassingBody (operator)\n \u2502\n \u2514\u2500\u2500\
\ operates \u2192 WebPortal\n \u2502\n \u251C\u2500\u2500 portal_data_sources \u2190 CollectionManagementSystem[]\n \u2502 (CMS feeds data to portal)\n \u2502\n \u251C\u2500\u2500 exposes_collections \u2192 CustodianCollection[]\n \u2502 (collections discoverable via portal)\n \u2502\n \u2514\u2500\u2500 aggregates_from \u2192 WebPortal[]\n (portal-to-portal aggregation chains)\n```\n\n**AGGREGATION CHAINS**:\n\nSome portals aggregate from other portals, forming chains:\n```\nCMS \u2192 Regional Archive Portal \u2192 National Archive Portal \u2192 Archives Portal Europe\nCMS \u2192 Museum \u2192 Aggregator \u2192 Europeana\n```\n\nUse `aggregates_from` and `aggregated_by` to model these chains.\n\n**PORTAL TYPES** (from WebPortalType\
\ class hierarchy):\n\n- **NATIONAL_AGGREGATOR**: NDE Dataset Register, Deutsche Digitale Bibliothek\n- **REGIONAL_AGGREGATOR**: LEO-BW, Bavarikon\n- **ARCHIVAL_PORTAL**: Archieven.nl, Archives Portal Europe\n- **LIBRARY_UNION_CATALOG**: WorldCat, GBV\n- **MUSEUM_COLLECTION_PORTAL**: Collectie Nederland, Europeana Collections\n- **CROSS_DOMAIN_AGGREGATOR**: Europeana, DPLA\n- **COLONIAL_HERITAGE_PORTAL**: Colonial Collections (NL)\n- **GENEALOGICAL_PORTAL**: OpenArchieven.nl, FamilySearch\n- **LINKED_DATA_HUB**: NDE Termennetwerk, Wikidata\n- **OAI_PMH_HARVESTER**: BASE, OpenAIRE\n\n**EXAMPLES OF DUTCH PORTALS**:\n\n1. **NDE Dataset Register** (datacatalogus.netwerkdigitaalerfgoed.nl)\n - Type: NATIONAL_AGGREGATOR\n - Operator: NDE (NetworkOrganisation)\n - Scope: All Dutch heritage datasets\n \n2. **Archieven.nl** (archieven.nl)\n - Type: ARCHIVAL_PORTAL\n - Operator: KVAN network\n - Data sources: MAIS-Flexis deployments at regional archives\n - Aggregated by: Archives\
\ Portal Europe\n \n3. **OpenArchieven.nl** (openarchieven.nl)\n - Type: GENEALOGICAL_PORTAL\n - Focus: Scanned civil registration, parish records\n - Open access genealogical sources\n \n4. **Collectie Nederland** (collectienederland.nl)\n - Type: MUSEUM_COLLECTION_PORTAL\n - Operator: Rijksdienst voor het Cultureel Erfgoed\n - Aggregates museum objects from Dutch museums\n \n5. **Colonial Collections** (datacatalogus.../group/colonial-collections)\n - Type: COLONIAL_HERITAGE_PORTAL\n - Focus: Colonial history provenance research\n - Part of NDE Dataset Register infrastructure\n\n**EXAMPLES OF GERMAN PORTALS**:\n\n1. **Archivportal-D** (archivportal-d.de)\n - Type: ARCHIVAL_PORTAL\n - Operator: Landesarchiv Baden-W\xFCrttemberg (coordination)\n - National archive finding aid aggregator\n \n2. **Deutsche Digitale Bibliothek** (deutsche-digitale-bibliothek.de)\n - Type: CROSS_DOMAIN_AGGREGATOR\n - German national aggregator for Europeana\n - Cross-domain\
\ (archives, libraries, museums)\n \n3. **LEO-BW** (leo-bw.de)\n - Type: REGIONAL_AGGREGATOR\n - Baden-W\xFCrttemberg regional portal\n \n4. **Bavarikon** (bavarikon.de)\n - Type: REGIONAL_AGGREGATOR\n - Bavaria regional cultural heritage portal\n\n**EXAMPLES OF EUROPEAN/INTERNATIONAL PORTALS**:\n\n1. **Europeana** (europeana.eu)\n - Type: CROSS_DOMAIN_AGGREGATOR\n - Operator: Europeana Foundation (NetworkOrganisation)\n - 50M+ objects from European cultural heritage\n - Aggregates from national aggregators (DDB, Gallica, etc.)\n \n2. **Archives Portal Europe** (archivesportaleurope.net)\n - Type: ARCHIVAL_PORTAL\n - Operator: APEF Foundation\n - European archival finding aids\n - Aggregates from national archive portals\n \n3. **Monasterium.net** (monasterium.net)\n - Type: MONASTIC_HERITAGE_PORTAL\n - Operator: ICARUS (Consortium)\n - Medieval charters and monastic documents\n \n4. **WorldCat** (worldcat.org)\n - Type: LIBRARY_UNION_CATALOG\n\
\ - Operator: OCLC (Cooperative)\n - 500M+ bibliographic records\n\n**ONTOLOGY ALIGNMENT**:\n\n- **EDM** (`edm:Aggregation`): Primary mapping - portal aggregates CHOs\n- **ORE** (`ore:Aggregation`): Object Reuse and Exchange aggregation\n- **Schema.org** (`schema:WebSite` + `schema:DataCatalog`): Web presence + data catalog\n- **DCMI Type** (`dcmitype:Collection`): Collection of metadata records\n\n**LIFECYCLE AND MIGRATION**:\n\nPortals evolve over time:\n- New portals launch\n- Portals merge (use `supersedes_or_superseded`)\n- Portals become legacy but remain accessible\n- Portal scope expands (regional \u2192 national)\n\nTrack status with `portal_status`: ACTIVE, LEGACY, DEPRECATED, MERGED\n"
exact_mappings:
- ore:Aggregation
close_mappings:
- schema:WebSite
- schema:DataCatalog
- dcmitype:Collection
slots:
- aggregated_by
- aggregate_from
- has_endpoint
- associated_with
- created_by
- has_policy
- has_scope
- identified_by
- related_to
- launch_date
- has_standard
- has_endpoint
- operated_by
- has_participant
- has_description
- identified_by
- has_language
- has_label
- has_status
- has_type
- has_url
- record_count
- has_finding_aid
- has_endpoint
- supersede
- has_score
- temporal_extent
- derive_from
- generated_by
slot_usage:
identified_by:
identifier: true
required: true
# range: string # uriorcurie
pattern: ^https://nde\.nl/ontology/hc/portal/[a-z-]+/[a-z0-9-]+$
examples:
- value: https://nde.nl/ontology/hc/portal/nl/archieven-nl
- value: https://nde.nl/ontology/hc/portal/eu/europeana
has_label:
required: true
# range: string
examples:
- value: Archieven.nl
- value: Deutsche Digitale Bibliothek
- value: Europeana
has_type:
required: true
range: WebPortalType
examples:
- value: ARCHIVAL_PORTAL
- value: CROSS_DOMAIN_AGGREGATOR
- value: REGIONAL_AGGREGATOR
has_url:
required: true
range: uri
examples:
- value: https://archieven.nl
- value: https://www.europeana.eu
- value: https://www.deutsche-digitale-bibliothek.de
has_description:
# range: string
examples:
- value: Archieven.nl is the Dutch national portal for archival finding aids, providing unified search across 80+ Dutch archives.
- value: DE-BW
- value: EU
has_scope:
range: GeographicScope
inlined: true
examples:
- value:
has_label: National (Netherlands)
- value:
has_label: European
identified_by:
# range: string # uriorcurie
multivalued: true
inlined_as_list: false # Fixed invalid inline for primitive type
examples:
- value: http://www.wikidata.org/entity/Q209441
- value: https://viaf.org/viaf/316748507
operated_by:
required: true
# range: string # uriorcurie
examples:
- value: https://nde.nl/ontology/hc/encompassing-body/network/nde
- value: https://nde.nl/ontology/hc/encompassing-body/network/europeana-foundation
aggregate_from:
# range: string # uriorcurie
multivalued: true
inlined_as_list: false # Fixed invalid inline for primitive type
examples:
- value: https://nde.nl/ontology/hc/portal/de/ddb
aggregated_by:
# range: string # uriorcurie
multivalued: true
inlined_as_list: false # Fixed invalid inline for primitive type
examples:
- value: https://nde.nl/ontology/hc/portal/eu/europeana
has_standard:
# range: string
multivalued: true
inlined_as_list: false # Fixed invalid inline for primitive type
examples:
- value: EDM (Europeana Data Model)
- value: EAD (Encoded Archival Description)
- value: Dublin Core
- value: LIDO
has_endpoint:
range: APIEndpoint
inlined: true
examples:
- value:
has_url: https://api.europeana.eu/record/v2/
has_description: Europeana REST API
has_endpoint:
range: uri
examples:
- value: https://sparql.europeana.eu/
has_endpoint:
range: uri
examples:
- value: https://oai.europeana.eu/oai
has_language:
# range: string
multivalued: true
inlined_as_list: false # Fixed invalid inline for primitive type
examples:
- value: nl
- value: en
- value: de
launch_date:
range: date
examples:
- value: '2008-11-20'
has_status:
# range: string
examples:
- value: ACTIVE
- value: LEGACY
supersede:
# range: string # uriorcurie
examples:
- value: https://nde.nl/ontology/hc/portal/nl/new-archieven-portal
record_count:
range: integer
examples:
- value: 50000000
description: 'Europeana: 50M+ objects'
- value: 15000000
description: 'DDB: 15M+ objects'
has_participant:
range: integer
examples:
- value: 80
description: 'Archieven.nl: 80+ archives'
- value: 4000
description: 'Europeana: 4000+ institutions'
temporal_extent:
range: TimeSpan
derive_from:
range: CustodianObservation
multivalued: true
generated_by:
range: ReconstructionActivity
has_policy:
# range: string
examples:
- value: https://nde.nl/ontology/hc/policy/europeana
- value: https://nde.nl/ontology/hc/policy/archieven-nl
created_by:
range: Project
examples:
- value: https://nde.nl/ontology/hc/project/nde/nde-portal-development-2023
associated_with:
# range: string # uriorcurie
multivalued: true
inlined_as_list: false # Fixed invalid inline for primitive type
examples:
- value: https://nde.nl/ontology/hc/encompassing-body/consortium/dans
- value: https://nde.nl/ontology/hc/encompassing-body/network/europeana-aggregators
related_to:
range: DigitalPlatform
multivalued: true
inlined: true
examples:
- value:
identified_by: https://nde.nl/ontology/hc/platform/rijksmuseum-website
has_label: Rijksmuseum Website
- value: https://nde.nl/ontology/hc/aux-platform/europeana-api-v3
has_finding_aid:
# range: string # uriorcurie
multivalued: true
inlined_as_list: false # Fixed invalid inline for primitive type
required: false
examples:
- value: https://nde.nl/ontology/hc/finding-aid/gelders-archief/ead-main
- value: https://nde.nl/ontology/hc/finding-aid/na/collection-guide
comments:
- WebPortal is DISTINCT from DigitalPlatform (single custodian website)
- WebPortal AGGREGATES metadata from multiple institutions
- "Portals form aggregation chains: regional \u2192 national \u2192 European"
- Typically operated by EncompassingBody (Network, Consortium)
- Track lifecycle with portal_status and supersedes_or_superseded
- has_policy (was data_license_policy) links to portal's licensing stance (CC0, CC-BY, etc.)
- 'NEW: created_by_project links to Project that built the portal'
- 'NEW: associated_with for organizational relationships beyond operator (migrated from associated_encompassing_bodies)'
- 'NEW: implements_digital_platform links to aggregated DigitalPlatform instances'
- 'NEW: implements_auxiliary_platform links to subordinate AuxiliaryDigitalPlatform instances'
- "FUNDING: For funding relationships, link FundingOrganisation \u2192 Project \u2192 WebPortal (not direct)"
see_also:
- https://pro.europeana.eu/page/edm-documentation
- https://www.openarchives.org/ore/
- https://www.openarchives.org/pmh/
examples:
- value:
portal_id: https://nde.nl/ontology/hc/portal/nl/archieven-nl
portal_name: Archieven.nl
portal_type: ARCHIVAL_PORTAL
portal_url: https://archieven.nl
portal_description: 'Archieven.nl is the Dutch national portal for archival finding aids,
providing unified search across 80+ Dutch archives. Users can search
EAD-encoded finding aids and access scanned documents.
'
has_scope:
- scope_description: Archival finding aids
operated_by: https://nde.nl/ontology/hc/encompassing-body/network/kvan
aggregated_by:
- https://nde.nl/ontology/hc/portal/eu/archives-portal-europe
has_standard:
- EAD (Encoded Archival Description)
- EAC-CPF
oai_pmh_endpoint: https://oai.archieven.nl/
has_language:
- nl
- en
portal_status: ACTIVE
participating_institutions: 80
- value:
portal_id: https://nde.nl/ontology/hc/portal/eu/europeana
portal_name: Europeana
portal_type: CROSS_DOMAIN_AGGREGATOR
portal_url: https://www.europeana.eu
portal_description: 'Europeana provides access to over 50 million digitised items from
European museums, galleries, libraries, and archives. It is the
European Union''s digital platform for cultural heritage.
'
has_scope:
- scope_description: Art and cultural heritage
operated_by: https://nde.nl/ontology/hc/encompassing-body/network/europeana-foundation
aggregate_from:
- https://nde.nl/ontology/hc/portal/de/ddb
- https://nde.nl/ontology/hc/portal/fr/gallica
- https://nde.nl/ontology/hc/portal/nl/collectie-nederland
has_standard:
- EDM (Europeana Data Model)
- Dublin Core
has_endpoint:
has_url: https://api.europeana.eu/record/v2/
sparql_endpoint: https://sparql.europeana.eu/
oai_pmh_endpoint: https://oai.europeana.eu/oai
has_language:
- en
- de
- fr
- nl
launch_date: '2008-11-20'
portal_status: ACTIVE
record_count: 50000000
participating_institutions: 4000
identified_by:
- http://www.wikidata.org/entity/Q209441
has_policy:
- policy_id: https://nde.nl/ontology/hc/policy/europeana-data-exchange
policy_name: Europeana Data Exchange Agreement
data_licenses:
- license_id: https://creativecommons.org/publicdomain/zero/1.0/
license_name: CC0 1.0 Universal (Public Domain)
license_scope: Metadata provided to Europeana
temporal_extent:
begin_of_the_begin: '2011-09-01'
end_of_the_end: null
created_by:
identified_by: https://nde.nl/ontology/hc/project/europeana-dsi
has_label: Europeana DSI (Digital Service Infrastructure)
has_description: "EU-funded project under CEF Telecom to develop and maintain the \nEuropeana digital platform as core European cultural heritage infrastructure.\n"
funding_sources:
- https://nde.nl/ontology/hc/funding-org/eu/cef-telecom
project_period:
begin_of_the_begin: '2015-01-01'
end_of_the_end: '2025-12-31'
associated_with:
- https://nde.nl/ontology/hc/encompassing-body/government/european-commission
- https://nde.nl/ontology/hc/encompassing-body/network/europeana-foundation
- https://nde.nl/ontology/hc/encompassing-body/consortium/europeana-network-association
related_to:
- identified_by: https://nde.nl/ontology/hc/platform/europeana-collections
has_label: Europeana Collections
has_url: https://www.europeana.eu/collections
temporal_extent:
begin_of_the_begin: '2008-11-20'
- identified_by: https://nde.nl/ontology/hc/platform/europeana-pro
has_label: Europeana Pro
has_url: https://pro.europeana.eu
temporal_extent:
begin_of_the_begin: '2014-01-01'
- identified_by: https://nde.nl/ontology/hc/auxiliary/europeana-iiif
has_label: Europeana IIIF APIs
has_url: https://iiif.europeana.eu
has_type: IIIF_SERVER
temporal_extent:
begin_of_the_begin: '2018-01-01'
- identified_by: https://nde.nl/ontology/hc/auxiliary/europeana-entity-api
has_label: Europeana Entity API
has_url: https://api.europeana.eu/entity
has_type: REST_API
temporal_extent:
begin_of_the_begin: '2017-01-01'
- value:
portal_id: https://nde.nl/ontology/hc/portal/de/archivportal-d
portal_name: Archivportal-D
portal_type: ARCHIVAL_PORTAL
portal_url: https://www.archivportal-d.de
portal_description: 'Archivportal-D is the German national portal for archival finding aids,
aggregating EAD descriptions from German archives and providing unified
search and access.
'
has_scope:
- scope_description: Archival finding aids
operated_by: https://nde.nl/ontology/hc/encompassing-body/network/archivportal-d-koordination
aggregated_by:
- https://nde.nl/ontology/hc/portal/eu/archives-portal-europe
- https://nde.nl/ontology/hc/portal/de/ddb
has_standard:
- EAD
- EAC-CPF
has_language:
- de
- en
portal_status: ACTIVE
annotations:
specificity_score: 0.1
specificity_rationale: Generic utility class/slot created during migration
custodian_types: "['*']"
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