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glam/schemas/20251121/linkml/modules/classes/DarkArchive.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/DarkArchive
name: dark_archive_class
title: Dark Archive Type
prefixes:
linkml: https://w3id.org/linkml/
schema: http://schema.org/
hc: https://nde.nl/ontology/hc/
skos: http://www.w3.org/2004/02/skos/core#
wd: http://www.wikidata.org/entity/
premis: http://www.loc.gov/premis/rdf/v3/
rico: https://www.ica.org/standards/RiC/ontology#
default_prefix: hc
imports:
- ../classes/AgentType
- linkml:types
- ../slots/embargo
- ../slots/identified_by
- ../slots/has_scope
- ../slots/has_score
- ../slots/has_type
- ../slots/hold_record_set
- ../slots/has_objective
- ../slots/20260202_matang/refers_to_access_policy
classes:
DarkArchive:
is_a: CustodianType
class_uri: schema:ArchiveOrganization
slots:
- has_type
- has_deadline
- hold_record_set
- has_objective
- refers_to_access_policy
- has_score
- identified_by
description: "Archive preserving materials for future use but with NO CURRENT ACCESS.\n\n**Wikidata**: Q112796578 (Dark Archive)\n\n**DEFINITION**:\n\nDark Archive is a preservation repository where materials are stored with \nNO ACCESS provided to users. The primary purpose is long-term preservation\nrather than current use. Access may be triggered by specific future events.\n\n**ACCESS SPECTRUM** (Light/Dim/Dark classification):\n\n| Type | Access Level | Purpose |\n|------|--------------|---------|\n| Light Archive (Q112815447) | Broadly accessible | Discovery & use |\n| Dim Archive (Q112796779) | Limited access | Selective access |\n| **Dark Archive** | No current access | Preservation only |\n\n**COMMON USE CASES**:\n\n1. **Digital Preservation**\n - Trusted Digital Repositories (TDR)\n - Backup/disaster recovery copies\n - Integrity verification archives\n\n2. **Rights-Restricted Content**\n - Orphan works awaiting rights clearance\n - Embargoed materials\n - Donor\
\ restrictions (sealed for X years)\n\n3. **Sensitive Materials**\n - Security-classified records\n - Privacy-protected personal data\n - Legally sealed court records\n\n4. **Format Migration**\n - Source materials preserved after migration\n - Original files kept for verification\n\n**TRIGGER EVENTS** (when dark becomes accessible):\n- Expiration of embargo period\n- Rights clearance obtained\n- Donor permission granted\n- Declassification decision\n- Original system failure (disaster recovery)\n\n**MULTILINGUAL LABELS**:\n- Dark Archive (de) [uses English term]\n\n**RELATED TYPES**:\n- LightArchive (Q112815447) - broadly accessible\n- DimArchive (Q112796779) - limited access\n- ClosedSpace - physical restricted access areas\n\n**ONTOLOGICAL ALIGNMENT**:\n- **SKOS**: skos:Concept (type classification)\n- **PREMIS**: premis:RightsStatus for access restrictions\n- **RiC-O**: rico:RecordSet with access restrictions\n- **Wikidata**: Q112796578\n\n**PREMIS INTEGRATION**:\n\n\
Dark archives typically use PREMIS for preservation metadata:\n- `premis:RightsStatus` to document access restrictions\n- `premis:endDate` for embargo expiration dates\n- `premis:Agent` to identify the responsible custodian\n"
slot_usage:
identified_by: null
has_deadline:
range: date
examples:
- value: '2050-01-01'
has_objective:
# range: string
examples:
- value: disaster_recovery
- value: rights_pending
- value: donor_restriction
refers_to_access_policy:
range: AccessPolicy
required: true
has_type:
equals_expression: '["hc:ArchiveOrganizationType"]'
exact_mappings:
- wd:Q112796578
close_mappings:
- premis:RightsStatus
- rico:RecordSet
- skos:Concept
broad_mappings:
- wd:Q166118
related_mappings:
- wikidata:Q112815447
- wikidata:Q112796779
comments:
- Dark archives preserve materials with NO current access
- Access may be triggered by future events (embargo end, rights clearance)
- Common for digital preservation, disaster recovery, rights-pending content
- Part of Light/Dim/Dark access spectrum classification
- PREMIS metadata used for preservation and rights documentation
see_also:
- https://www.wikidata.org/wiki/Q112796578
- http://www.loc.gov/premis/
examples:
- value:
identified_by: https://nde.nl/ontology/hc/type/archive/Q112796578
has_type_code: ARCHIVE
has_label:
- Dark Archive@en
- Dark Archive@de
has_description: Collection preserved for future use with no current access
preservation_purpose: disaster_recovery
refers_to_access_policy:
policy_id: https://nde.nl/ontology/hc/policy/dark-archive-dr
access_level: CLOSED
restriction_reason: Disaster recovery copy - access on system failure only
- value:
identified_by: https://nde.nl/ontology/hc/type/archive/Q112796578-embargo
has_type_code: ARCHIVE
has_label:
- Embargoed Dark Archive@en
has_description: Materials under embargo with future access date
preservation_purpose: donor_restriction
has_embargo_end_date: '2050-01-01'
refers_to_access_policy:
policy_id: https://nde.nl/ontology/hc/policy/embargo-50yr
access_level: CLOSED
restriction_reason: Donor restriction - 50 year embargo
annotations:
specificity_score: 0.1
specificity_rationale: Generic utility class/slot created during migration
custodian_types: "['*']"
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