feat: Add archived governance slots and update manifest generation timestamp

frontend/public/schemas/20251121/linkml/manifest.json

@@ -1,5 +1,5 @@
 {
-  "generated": "2026-01-26T16:43:16.354Z",
+  "generated": "2026-01-26T22:48:27.648Z",
   "schemaRoot": "/schemas/20251121/linkml",
   "totalFiles": 3014,
   "categoryCounts": {

schemas/20251121/linkml/manifest.json

@@ -1,5 +1,5 @@
 {
-  "generated": "2026-01-26T22:48:27.648Z",
+  "generated": "2026-01-26T23:49:30.478Z",
   "schemaRoot": "/schemas/20251121/linkml",
   "totalFiles": 3014,
   "categoryCounts": {

schemas/20251121/linkml/modules/classes/AccessApplication.yaml

@@ -0,0 +1,29 @@
+id: https://nde.nl/ontology/hc/class/AccessApplication
+name: AccessApplication
+title: Access Application
+description: >-
+  An application or process for requesting access to materials.
+  MIGRATED from has_access_application_url slot per Rule 53.
+  Follows schema:Action.
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  schema: http://schema.org/
+imports:
+  - linkml:types
+  - ../slots/has_or_had_label
+  - ../slots/has_or_had_description
+  - ../slots/has_or_had_url
+  - ./URL
+default_prefix: hc
+classes:
+  AccessApplication:
+    class_uri: schema:Action
+    slots:
+      - has_or_had_label
+      - has_or_had_description
+      - has_or_had_url
+    slot_usage:
+      has_or_had_url:
+        range: URL
+        inlined: true

schemas/20251121/linkml/modules/classes/AccessInterface.yaml

@@ -0,0 +1,30 @@
+id: https://nde.nl/ontology/hc/class/AccessInterface
+name: AccessInterface
+title: Access Interface
+description: >-
+  An interface for accessing digital resources (e.g., API, portal).
+  MIGRATED from has_access_interface_url slot per Rule 53.
+  Follows dcat:DataService.
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  dcat: http://www.w3.org/ns/dcat#
+imports:
+  - linkml:types
+  - ../slots/has_or_had_url
+  - ./URL
+  - ../slots/has_or_had_label
+  - ../slots/has_or_had_description
+default_prefix: hc
+classes:
+  AccessInterface:
+    class_uri: dcat:DataService
+    slots:
+      - has_or_had_url
+      - has_or_had_label
+      - has_or_had_description
+    slot_usage:
+      has_or_had_url:
+        range: URL
+        inlined: true
+        required: true

schemas/20251121/linkml/modules/classes/AccessionEvent.yaml

@@ -0,0 +1,32 @@
+id: https://nde.nl/ontology/hc/class/AccessionEvent
+name: AccessionEvent
+title: Accession Event
+description: >-
+  The act of accessioning a record or object into a collection.
+  MIGRATED from has_accession_date slot context per Rule 53.
+  Follows rico:Instantiation.
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  rico: https://www.ica.org/standards/RiC/ontology#
+  skos: http://www.w3.org/2004/02/skos/core#
+imports:
+  - linkml:types
+  - ../slots/temporal_extent
+  - ./TimeSpan
+  - ../slots/has_or_had_label
+  - ../slots/has_or_had_description
+  - ../slots/has_or_had_identifier
+  - ./Identifier
+default_prefix: hc
+classes:
+  AccessionEvent:
+    class_uri: rico:Instantiation
+    slots:
+      - temporal_extent
+      - has_or_had_label
+      - has_or_had_description
+      - has_or_had_identifier
+    slot_usage:
+      temporal_extent:
+        required: true

schemas/20251121/linkml/modules/classes/AccessionNumber.yaml

@@ -0,0 +1,26 @@
+id: https://nde.nl/ontology/hc/class/AccessionNumber
+name: AccessionNumber
+title: Accession Number
+description: >-
+  A unique identifier assigned to an object or record upon accession.
+  MIGRATED from has_accession_number slot per Rule 53.
+  Follows rico:Identifier or crm:E42_Identifier.
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  rico: https://www.ica.org/standards/RiC/ontology#
+  crm: http://www.cidoc-crm.org/cidoc-crm/
+  skos: http://www.w3.org/2004/02/skos/core#
+imports:
+  - linkml:types
+  - ./Identifier
+default_prefix: hc
+classes:
+  AccessionNumber:
+    is_a: Identifier
+    class_uri: rico:Identifier
+    slots:
+      - has_or_had_label
+      - has_or_had_description
+    exact_mappings:
+      - crm:E42_Identifier

schemas/20251121/linkml/modules/classes/Accumulation.yaml

@@ -0,0 +1,7 @@
+classes:
+  Accumulation:
+    class_uri: rico:Accumulation
+    description: "The period during which the records were accumulated."
+    slots:
+      - temporal_extent
+      - has_or_had_description

schemas/20251121/linkml/modules/classes/AccuracyLevel.yaml

@@ -0,0 +1,8 @@
+classes:
+  AccuracyLevel:
+    class_uri: skos:Concept
+    description: "A qualitative or quantitative level of accuracy (e.g. for coordinates)."
+    slots:
+      - has_or_had_label
+      - has_or_had_description
+      - has_or_had_value

schemas/20251121/linkml/modules/classes/AcquisitionEvent.yaml

@@ -0,0 +1,26 @@
+id: https://nde.nl/ontology/hc/class/AcquisitionEvent
+name: AcquisitionEvent
+title: Acquisition Event
+description: >-
+  An event in which an entity is acquired.
+  MIGRATED from has_acquisition_source per Rule 53.
+  Follows rico:Instantiation.
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  rico: https://www.ica.org/standards/RiC/ontology#
+  skos: http://www.w3.org/2004/02/skos/core#
+imports:
+  - linkml:types
+  - ../slots/has_or_had_origin
+  - ./Entity
+default_prefix: hc
+classes:
+  AcquisitionEvent:
+    class_uri: rico:Instantiation
+    slots:
+      - has_or_had_origin
+    slot_usage:
+      has_or_had_origin:
+        range: Entity
+        required: true

schemas/20251121/linkml/modules/classes/AcquisitionMethod.yaml

@@ -0,0 +1,23 @@
+id: https://nde.nl/ontology/hc/class/AcquisitionMethod
+name: AcquisitionMethod
+title: Acquisition Method
+description: >-
+  Method by which an object or collection was acquired.
+  MIGRATED from has_acquisition_method slot context per Rule 53.
+  Follows crm:E55_Type.
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  crm: http://www.cidoc-crm.org/cidoc-crm/
+  skos: http://www.w3.org/2004/02/skos/core#
+imports:
+  - linkml:types
+  - ../slots/has_or_had_label
+  - ../slots/has_or_had_description
+default_prefix: hc
+classes:
+  AcquisitionMethod:
+    class_uri: crm:E55_Type
+    slots:
+      - has_or_had_label
+      - has_or_had_description

schemas/20251121/linkml/modules/classes/Activity.yaml

@@ -34,15 +34,14 @@ imports:
   - ./TimeSpan
   - ./ActivityType
   - ./ActivityTypes
-  - ../slots/has_activity_identifier
+  - ../slots/has_activity_identifier  # MIGRATED: was ../slots/has_activity_identifier (2026-01-26)
-  - ../slots/has_activity_name
+  - ../slots/has_or_had_identifier  # Added for has_activity_identifier migration
-  - ../slots/has_activity_description
+  - ./Identifier  # Added for has_or_had_identifier range
-  - ../slots/has_or_had_activity_type
+  - ../slots/has_or_had_label  # was: has_activity_name - migrated per Rule 53 (2026-01-26)
-  # MIGRATED 2026-01-26: has_timespan/start_date/end_date → temporal_extent (Rule 53)
+  - ./Label
-  - ../slots/temporal_extent
+  - ../slots/has_or_had_description  # was: has_activity_description - migrated per Rule 53 (2026-01-26)
-  - ../slots/is_or_was_succeeded_by
+  - ./Description
-  - ../slots/preceding_activity
+  - ../slots/has_activity_status
-  - ../slots/status
   - ../slots/note
   - ../slots/specificity_annotation
   - ../slots/has_or_had_score  # was: template_specificity - migrated per Rule 53 (2026-01-17)
@@ -118,35 +117,39 @@ classes:
       - aat:300054277  # activities (functions)
     
     slots:
-      - has_activity_identifier
+      - has_or_had_identifier  # was: has_activity_identifier - migrated per Rule 53 (2026-01-26)
-      - has_activity_name
+      - has_or_had_label  # was: has_activity_name - migrated per Rule 53 (2026-01-26)
-      - has_activity_description
+      - has_or_had_description  # was: has_activity_description - migrated per Rule 53 (2026-01-26)
       - has_or_had_activity_type
       # MIGRATED 2026-01-26: has_timespan/start_date/end_date → temporal_extent
       - temporal_extent
       - is_or_was_succeeded_by
       - preceding_activity
-      - status
+      - has_or_had_status  # was: status - migrated per Rule 53 (2026-01-26)
       - note
       - specificity_annotation
       - has_or_had_score  # was: template_specificity - migrated per Rule 53 (2026-01-17)
     
     slot_usage:
-      has_activity_identifier:
+      has_or_had_identifier:  # was: has_activity_identifier - migrated per Rule 53 (2026-01-26)
-        range: uriorcurie
-        required: true
-        identifier: true
         description: |
           Unique identifier for this activity instance.
+          MIGRATED from has_activity_identifier per Rule 53.
           Format: URI following NDE Heritage Custodian ontology conventions.
           Pattern: `https://nde.nl/ontology/hc/activity/{custodian-slug}-{type}-{year}-{sequence}`
+        range: Identifier
+        required: true
+        identifier: true
+        inlined: true
         examples:
-          - value: https://nde.nl/ontology/hc/activity/rijksmuseum-inventory-2025-001
+          - value:
+              identifier_value: "https://nde.nl/ontology/hc/activity/rijksmuseum-inventory-2025-001"
             description: "2025 inventory at Rijksmuseum"
-          - value: https://nde.nl/ontology/hc/activity/nationaal-archief-digitization-voc-2024
+          - value:
+              identifier_value: "https://nde.nl/ontology/hc/activity/nationaal-archief-digitization-voc-2024"
             description: "VOC digitization project at Nationaal Archief"
       
-      has_activity_name:
+      has_or_had_label:  # was: has_activity_name - migrated per Rule 53 (2026-01-26)
         range: string
         required: true
         description: Human-readable name for this activity.
@@ -156,7 +159,7 @@ classes:
           - value: "VOC Archives Digitization Project Phase 2"
             description: "Multi-year digitization project"
       
-      has_activity_description:
+      has_or_had_description:  # was: has_activity_description - migrated per Rule 53 (2026-01-26)
         range: string
         required: false
         description: Detailed description of the activity scope and objectives.
@@ -211,7 +214,7 @@ classes:
           - value: https://nde.nl/ontology/hc/activity/condition-survey-2024
             description: "Condition survey informed this conservation treatment"
       
-      status:
+      has_or_had_status:  # was: status - migrated per Rule 53 (2026-01-26)
         range: string
         required: false
         description: Current status of the activity.
@@ -249,32 +252,34 @@ classes:
     
     examples:
       - value:
-          has_activity_identifier: https://nde.nl/ontology/hc/activity/rijksmuseum-inventory-2025-001
+          has_or_had_identifier:
-          has_activity_name: "2025 Annual Collection Inventory - Dutch Masters"
+            identifier_value: "https://nde.nl/ontology/hc/activity/rijksmuseum-inventory-2025-001"
+          has_or_had_label: "2025 Annual Collection Inventory - Dutch Masters"
           has_or_had_activity_type:
             - CurationActivityType
-          has_activity_description: |
+          has_or_had_description: |
             Annual physical inventory of the Dutch Masters collection 
             (Gallery of Honour and adjacent galleries). Spot-check methodology 
             with 20% sample verification against CMS records.
           temporal_extent:
             begin_of_the_begin: "2025-01-15"
             end_of_the_end: "2025-03-31"
-          status: "IN_PROGRESS"
+          has_or_had_status: "IN_PROGRESS"
         description: "Inventory activity at Rijksmuseum"
       
       - value:
-          has_activity_identifier: https://nde.nl/ontology/hc/activity/kb-digitization-medieval-2024
+          has_or_had_identifier:
-          has_activity_name: "Medieval Manuscripts Digitization Project"
+            identifier_value: "https://nde.nl/ontology/hc/activity/kb-digitization-medieval-2024"
+          has_or_had_label: "Medieval Manuscripts Digitization Project"
           has_or_had_activity_type:
             - DigitizationActivityType
             - ResearchActivityType
-          has_activity_description: |
+          has_or_had_description: |
             High-resolution digitization of 342 medieval manuscripts with 
             HTR processing and metadata enhancement. IIIF-compliant output.
           temporal_extent:
             begin_of_the_begin: "2024-03-01"
             end_of_the_end: "2025-12-31"
-          status: "IN_PROGRESS"
+          has_or_had_status: "IN_PROGRESS"
           preceding_activity: https://nde.nl/ontology/hc/activity/kb-condition-survey-2023
         description: "Digitization and research project at KB"

schemas/20251121/linkml/modules/classes/AdministrativeLevel.yaml

@@ -0,0 +1,51 @@
+# AdministrativeLevel class
+# Represents a level in a government or administrative hierarchy
+#
+# Generation date: 2026-01-27
+# Rule compliance: 0b, 38, 39, 53
+#
+# Created for has_administrative_level migration
+
+id: https://nde.nl/ontology/hc/class/AdministrativeLevel
+name: AdministrativeLevel
+title: Administrative Level Class
+
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  skos: http://www.w3.org/2004/02/skos/core#
+  schema: http://schema.org/
+
+default_prefix: hc
+
+imports:
+  - linkml:types
+  - ../slots/has_or_had_label
+  - ../slots/has_or_had_code
+  - ../slots/has_or_had_description
+
+classes:
+  AdministrativeLevel:
+    class_uri: skos:Concept
+    description: |
+      A level or tier within an administrative or government hierarchy.
+      
+      **Examples**:
+      - National/Federal
+      - State/Provincial
+      - Regional
+      - Municipal/Local
+      
+      **Ontological Alignment**:
+      - `skos:Concept`: Concept in a hierarchy scheme.
+    slots:
+      - has_or_had_label
+      - has_or_had_code
+      - has_or_had_description
+    slot_usage:
+      has_or_had_label:
+        description: Name of the level (e.g., "National")
+        required: true
+      has_or_had_code:
+        description: Code for the level (e.g., "NAT", "ISO-3166-2")
+        required: false

schemas/20251121/linkml/modules/classes/AdministrativeOffice.yaml

@@ -10,8 +10,10 @@ imports:
   - ../slots/is_or_was_derived_from  # was: was_derived_from - migrated per Rule 53
   - ../slots/is_or_was_generated_by  # was: was_generated_by - migrated per Rule 53
   - ../slots/has_or_had_access_restriction
-  - ../slots/has_admin_office_description
+  - ../slots/has_or_had_description
-  - ../slots/has_admin_office_name
+  - ../classes/Description
+  - ../slots/has_or_had_label
+  - ../classes/Label
   - ../slots/has_or_had_admin_staff_count
   # administrative_functions REMOVED - migrated to has_or_had_function (Rule 53)
   # has_or_had_administrative_function REMOVED - bespoke slot replaced by generic has_or_had_function (Rule 53)
@@ -26,7 +28,8 @@ imports:
   - ./TemplateSpecificityType
 
   - ./TemplateSpecificityTypes
-  - ../slots/has_admin_office_identifier
+  - ../slots/has_or_had_identifier
+  - ../classes/Identifier
 prefixes:
   linkml: https://w3id.org/linkml/
   hc: https://nde.nl/ontology/hc/
@@ -120,9 +123,9 @@ classes:
     - org:OrganizationalUnit
     slots:
     - has_or_had_access_restriction
-    - has_admin_office_description
+    - has_or_had_description
-    - has_admin_office_identifier
+    - has_or_had_identifier
-    - has_admin_office_name
+    - has_or_had_label
     - has_or_had_admin_staff_count
     # administrative_functions REMOVED - use has_or_had_function (Rule 53)
     # has_or_had_administrative_function REMOVED - bespoke, use has_or_had_function (Rule 53)
@@ -134,26 +137,17 @@ classes:
     - is_or_was_derived_from  # was: was_derived_from - migrated per Rule 53
     - is_or_was_generated_by  # was: was_generated_by - migrated per Rule 53
     slot_usage:
-      has_admin_office_identifier:
+      has_or_had_identifier:
-        range: uriorcurie
+        range: Identifier
         required: true
-        identifier: true
+        description: Identifier for the administrative office.
-        examples:
+      has_or_had_label:
-        - value: https://nde.nl/ontology/hc/aux/rijksmuseum-admin-zuidas
+        range: Label
-          description: Rijksmuseum administrative office
-      has_admin_office_name:
-        range: string
         required: true
-        examples:
+        description: Name of the administrative office.
-        - value: Rijksmuseum Administrative Offices - Zuidas
+      has_or_had_description:
-          description: Admin office with location
+        range: Description
-        - value: Noord-Hollands Archief Finance Department
+        description: Description of the administrative office.
-          description: Admin office with function
-      has_admin_office_description:
-        range: string
-        examples:
-        - value: Administrative support offices housing finance, HR, and IT departments. Staff access only.
-          description: Admin office description
       has_or_had_function:
         range: FunctionType
         multivalued: true
@@ -220,10 +214,15 @@ classes:
     - https://schema.org/Corporation
     examples:
     - value:
-        has_admin_office_identifier: https://nde.nl/ontology/hc/aux/rijksmuseum-admin-zuidas
+        has_or_had_identifier:
-        has_admin_office_name: Rijksmuseum Administrative Offices - Zuidas
+          identifier_value: https://nde.nl/ontology/hc/aux/rijksmuseum-admin-zuidas
-        has_admin_office_description: Administrative support offices housing finance, HR, and IT departments. Staff access only.
+          identifier_scheme: URI
-          Located in Zuidas business district.
+        has_or_had_label:
+          has_or_had_label: Rijksmuseum Administrative Offices - Zuidas
+        has_or_had_description:
+          has_or_had_content:
+            has_or_had_description: Administrative support offices housing finance, HR, and IT departments. Staff access only. Located in Zuidas business district.
+          description_type: admin_office
         has_or_had_function:
         - function_category: ADMINISTRATIVE
           function_name: Finance and accounting
@@ -239,10 +238,15 @@ classes:
         lease_expiry: '2028-12-31'
       description: Museum administrative office in business district
     - value:
-        has_admin_office_identifier: https://nde.nl/ontology/hc/aux/kb-digitization-center
+        has_or_had_identifier:
-        has_admin_office_name: Koninklijke Bibliotheek Digitization Support Center
+          identifier_value: https://nde.nl/ontology/hc/aux/kb-digitization-center
-        has_admin_office_description: Technical support center for digitization operations. Houses scanning equipment coordination
+          identifier_scheme: URI
-          and quality control.
+        has_or_had_label:
+          has_or_had_label: Koninklijke Bibliotheek Digitization Support Center
+        has_or_had_description:
+          has_or_had_content:
+            has_or_had_description: Technical support center for digitization operations. Houses scanning equipment coordination and quality control.
+          description_type: admin_office
         has_or_had_function:
         - function_category: PROGRAM
           function_name: Digitization project management

schemas/20251121/linkml/modules/classes/Age.yaml

@@ -0,0 +1,51 @@
+# Age class
+# Represents an age or age range, often for demographic or restriction purposes
+#
+# Generation date: 2026-01-27
+# Rule compliance: 0b, 38, 39, 53
+#
+# Created for has_age migration
+
+id: https://nde.nl/ontology/hc/class/Age
+name: Age
+title: Age Class
+
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  schema: http://schema.org/
+  dcterms: http://purl.org/dc/terms/
+
+default_prefix: hc
+
+imports:
+  - linkml:types
+  - ../slots/has_or_had_quantity
+  - ../slots/has_or_had_unit
+  - ../slots/has_or_had_description
+
+classes:
+  Age:
+    class_uri: schema:QuantitativeValue
+    description: |
+      Represents an age or age range.
+      
+      **Examples**:
+      - "18 years"
+      - "25-35 years"
+      
+      **Ontological Alignment**:
+      - `schema:QuantitativeValue`: Allows specifying value, minValue, maxValue, and unitCode.
+    slots:
+      - has_or_had_quantity
+      - has_or_had_unit
+      - has_or_had_description
+    slot_usage:
+      has_or_had_quantity:
+        range: integer
+        description: The age value (in years).
+        required: true
+      has_or_had_unit:
+        description: Unit of time (usually "years", "months").
+        range: string
+        required: false

schemas/20251121/linkml/modules/classes/AgentType.yaml

@@ -0,0 +1,47 @@
+# AgentType class
+# Abstract base class for agent types classification
+#
+# Generation date: 2026-01-27
+# Rule compliance: 0b (Type/Types pattern), 38, 39, 53
+#
+# Created for has_agent_type migration
+
+id: https://nde.nl/ontology/hc/class/AgentType
+name: AgentType
+title: Agent Type Abstract Class
+
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  skos: http://www.w3.org/2004/02/skos/core#
+
+default_prefix: hc
+
+imports:
+  - linkml:types
+  - ../slots/has_or_had_label
+  - ../slots/has_or_had_code
+  - ../slots/has_or_had_description
+
+classes:
+  AgentType:
+    class_uri: skos:Concept
+    description: |
+      Abstract base class for agent types classification.
+      Provides a taxonomy for different types of agents (e.g., Person, Organization, SoftwareAgent).
+    abstract: true
+    exact_mappings:
+      - skos:Concept
+    slots:
+      - has_or_had_label
+      - has_or_had_code
+      - has_or_had_description
+    slot_usage:
+      has_or_had_code:
+        range: string
+        required: true
+        description: Short code for the agent type
+      has_or_had_label:
+        range: string
+        required: false
+        description: Human-readable name for the agent type

schemas/20251121/linkml/modules/classes/AgentTypes.yaml

@@ -0,0 +1,41 @@
+# AgentTypes classes
+# Concrete subclasses for AgentType taxonomy
+#
+# Generation date: 2026-01-27
+# Rule compliance: 0b (Type/Types pattern)
+#
+# Updated for AgentType migration
+
+id: https://nde.nl/ontology/hc/class/AgentTypes
+name: agent_types_classes
+title: Agent Types Classes
+description: |
+  Concrete subclasses for AgentType taxonomy.
+  Follows Rule 0b Type/Types naming pattern.
+imports:
+  - linkml:types
+  - ./AgentType
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+default_prefix: hc
+classes:
+  PersonAgentType:
+    is_a: AgentType
+    class_uri: hc:PersonAgentType
+    description: Agent type for natural persons.
+    
+  OrganizationAgentType:
+    is_a: AgentType
+    class_uri: hc:OrganizationAgentType
+    description: Agent type for organizations.
+    
+  SoftwareAgentType:
+    is_a: AgentType
+    class_uri: hc:SoftwareAgentType
+    description: Agent type for software agents or automated processes.
+    
+  GroupAgentType:
+    is_a: AgentType
+    class_uri: hc:GroupAgentType
+    description: Agent type for informal groups or collectives.

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

@@ -21,7 +21,8 @@ imports:
   - ./TechnologicalInfrastructure
   - ./TechnologicalInfrastructureType
   - ./TechnologicalInfrastructureTypes
-  - ../slots/funding_source
+  - ../slots/receives_or_received  # was: funding_source - migrated per Rule 53 (2026-01-26)
+  - ./FundingSource
   - ../slots/has_or_had_powered_by_cm
   - ../slots/is_or_was_archived_at  # MIGRATED: was ../slots/archived_at (2026-01-15)
   - ../slots/serves_finding_aid
@@ -130,7 +131,7 @@ classes:
     - is_or_was_based_on  # was: cms_detected - migrated per Rule 53 (2026-01-19)
     - has_or_had_data_service_endpoint
     - fixity_info
-    - funding_source
+    - receives_or_received  # was: funding_source - migrated per Rule 53 (2026-01-26)
     - iiif_support
     - is_auxiliary_of_platform
     - linked_data
@@ -247,12 +248,19 @@ classes:
           description: Research project name
         - value: 'EU Horizon 2020 Grant #123456'
           description: Grant reference
-      funding_source:
+      receives_or_received:  # was: funding_source - migrated per Rule 53 (2026-01-26)
-        range: string
+        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: European Commission Horizon 2020
+        - value:
+            has_or_had_label: European Commission Horizon 2020
           description: EU funding
-        - value: Mondriaan Fund
+        - value:
+            has_or_had_label: Mondriaan Fund
           description: Dutch cultural fund
       iiif_support:
         range: boolean
@@ -437,7 +445,8 @@ classes:
         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
-        funding_source: ING Bank
+        receives_or_received:  # was: funding_source - migrated per Rule 53 (2026-01-26)
+          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'

schemas/20251121/linkml/modules/classes/Collection.yaml

@@ -114,7 +114,7 @@ classes:
     - has_or_had_access_policy_reference
     - has_acquisition_date
     - has_acquisition_method
-    - has_acquisition_source
+    - is_or_was_acquired_through  # was: has_acquisition_source - migrated per Rule 53 (2026-01-26)
     - has_arrangement
     # REMOVED 2026-01-18: collection_description - migrated to has_or_had_description + Description (Rule 53)
     - has_or_had_description
@@ -294,12 +294,22 @@ classes:
         examples:
         - value: '1856-01-01'
           description: Transfer to Algemeen Rijksarchief
-      has_acquisition_source:
+      is_or_was_acquired_through:  # was: has_acquisition_source - migrated per Rule 53 (2026-01-26)
-        range: string
+        description: |
+          Source of acquisition (person or organization).
+          MIGRATED from has_acquisition_source per Rule 53.
+          Uses AcquisitionEvent class.
+        range: AcquisitionEvent
+        multivalued: true
+        inlined: true
         examples:
-        - value: Ministry of Colonies
+        - value:
+            has_or_had_origin:
+              has_or_had_label: "Ministry of Colonies"
           description: Source of VOC archives transfer
-        - value: Estate of Anna Drucker-Fraser
+        - value:
+            has_or_had_origin:
+              has_or_had_label: "Estate of Anna Drucker-Fraser"
           description: Source of bequest
       has_or_had_access_policy_reference:
         range: AccessPolicy
@@ -441,7 +451,9 @@ classes:
               description_type: provenance_statement
         acquisition_method: TRANSFER
         acquisition_date: '1856-01-01'
-        acquisition_source: Ministry of Colonies
+        is_or_was_acquired_through:  # was: has_acquisition_source - migrated per Rule 53 (2026-01-26)
+        - has_or_had_origin:
+            has_or_had_label: Ministry of Colonies
         has_or_had_access_policy_reference: https://nde.nl/ontology/hc/access-policy/open-access
         arrangement: Organized by provenance, then chronologically
         has_or_had_finding_aid:

schemas/20251121/linkml/modules/classes/ConfidenceLevel.yaml

@@ -0,0 +1,26 @@
+id: https://nde.nl/ontology/hc/class/ConfidenceLevel
+name: ConfidenceLevel
+title: Confidence Level
+description: >-
+  Level of confidence or certainty in a statement or annotation.
+  MIGRATED from confidence_level/confidence_score slot per Rule 53.
+  Follows dqv:ConfidenceScore.
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  dqv: http://www.w3.org/ns/dqv#
+imports:
+  - linkml:types
+  - ../slots/has_or_had_score
+  - ../slots/has_or_had_description
+default_prefix: hc
+classes:
+  ConfidenceLevel:
+    class_uri: dqv:ConfidenceScore
+    slots:
+      - has_or_had_score
+      - has_or_had_description
+    slot_usage:
+      has_or_had_score:
+        range: float
+        required: true

schemas/20251121/linkml/modules/classes/ConservationRecord.yaml

@@ -373,13 +373,26 @@ classes:
         examples:
         - value: EUR
         - value: USD
-      funding_source:
+      receives_or_received:  # was: funding_source - migrated per Rule 53 (2026-01-26)
+        description: |
+          Funding source(s) for the conservation work.
+          MIGRATED from funding_source per Rule 53.
+          Uses frapo:isFundedBy via receives_or_received slot and FundingSource class.
+        range: FundingSource
+        inlined: true
+        inlined_as_list: true
+        multivalued: true
         required: false
-        range: string
         examples:
-        - value: Mondriaan Fund
+        - value:
-        - value: Getty Foundation
+            has_or_had_label: "Mondriaan Fund"
-        - value: Bank Giro Loterij
+          description: External grant funding
+        - value:
+            has_or_had_label: "Getty Foundation"
+          description: Foundation grant
+        - value:
+            has_or_had_label: "Bank Giro Loterij"
+          description: Lottery funding
       conservation_note:
         required: false
         range: string

schemas/20251121/linkml/modules/classes/CustodianArchive.yaml

@@ -12,22 +12,13 @@ imports:
   - ./Storage
   - ../enums/ArchiveProcessingStatusEnum
   - ../slots/has_or_had_access_restriction
-  # MIGRATED 2026-01-15: storage_location → is_or_was_stored_at + StorageLocation (Rule 53)
+  - ../slots/is_or_was_accessioned_through  # was: has_accession_date - migrated per Rule 53 (2026-01-26)
-  - ../slots/is_or_was_stored_at
+  - ./AccessionEvent  # for is_or_was_accessioned_through range
-  - ./StorageLocation
+  # REMOVED 2026-01-26: has_accession_number migrated to AccessionEvent.has_or_had_identifier
-  - ./ReconstructedEntity
+  # REMOVED 2026-01-26: has_accumulation_end/start_date migrated to has_or_had_accumulation + Accumulation
-  - ./CurrentArchive
-  - ../slots/has_accession_number
-  - ./CustodianArchiveRecordSetTypes
-  - ../slots/hold_or_held_record_set_type
-  - ./CollectionType
-  - ../slots/has_or_had_scope  # was: type_scope - migrated per Rule 53 (2026-01-15)
-  - ./Scope  # for has_or_had_scope range (2026-01-15)
-  - ../slots/has_accession_date
-  - ../slots/has_accumulation_end_date
-  - ../slots/has_accumulation_start_date
   - ../slots/has_or_had_notes
   - ./Notes
+
   - ../slots/has_archive_description
   - ../slots/has_archive_name
   # REMOVED 2026-01-15: ../slots/arrangement_notes - migrated to has_arrangement_note
@@ -82,10 +73,9 @@ classes:
     class_uri: rico:RecordSet
     slots:
     - has_or_had_access_restriction
-    - has_accession_date
+    - is_or_was_accessioned_through  # was: has_accession_date - migrated per Rule 53 (2026-01-26)
-    - has_accession_number
+    # - has_accession_number
-    - has_accumulation_end_date
+    - has_or_had_accumulation  # was: has_accumulation_start/end_date - migrated per Rule 53 (2026-01-26)
-    - has_accumulation_start_date
     - has_or_had_notes
     - has_archive_description
     - has_archive_name
@@ -171,26 +161,34 @@ classes:
       has_archive_description:
         range: string
         required: false
-      has_accession_number:
+      is_or_was_accessioned_through:  # was: has_accession_date - migrated per Rule 53 (2026-01-26)
-        range: string
+        description: |
-        required: true
+          Accession event for the archive record set.
-        examples:
+          MIGRATED from has_accession_date and has_accession_number per Rule 53.
-        - value: 2024-0001
+          Uses AccessionEvent class with temporal_extent and has_or_had_identifier.
-          description: Sequential accession number
+        range: AccessionEvent
-        - value: NA-2024-GOV-0156
+        inlined: true
-          description: National Archives government transfer
-      has_accession_date:
-        range: date
-        required: true
-        examples:
-        - value: '2024-01-15'
-          description: Records accessioned January 2024
-      has_accumulation_start_date:
-        range: date
-        required: false
-      has_accumulation_end_date:
-        range: date
         required: false
+        examples:
+        - value:
+            temporal_extent:
+              begin_of_the_begin: '2024-01-15'
+            has_or_had_identifier:
+              - has_or_had_value: "2024-0001"
+                has_or_had_type: "Accession Number"
+          description: Records accessioned January 2024 with number
+      has_or_had_accumulation:
+        range: Accumulation
+        inlined: true
+        description: |
+          Accumulation period of the records.
+          MIGRATED from has_accumulation_start_date/end_date per Rule 53.
+        examples:
+        - value:
+            temporal_extent:
+              begin_of_the_begin: '1990-01-01'
+              end_of_the_end: '2020-12-31'
+          description: Accumulated 1990-2020
       creating_agency:
         range: string
         required: false
@@ -219,7 +217,7 @@ classes:
         range: Quantity
         multivalued: true
         inlined: true
-        description: >-
+        description: |
           Estimated or measured extent of the archive (e.g., linear meters, file count).
           MIGRATED from estimated_extent per slot_fixes.yaml (Rule 53).
           Uses Quantity class with is_estimate=true for estimates.
@@ -364,10 +362,15 @@ classes:
         archive_name: Rijksmuseum Director's Correspondence 2010-2020
         archive_description: Incoming and outgoing correspondence of the museum director including policy discussions, loan
           requests, and exhibition planning.
-        accession_number: RM-2024-0001
+        is_or_was_accessioned_through:  # was: has_accession_date - migrated per Rule 53 (2026-01-26)
-        accession_date: '2024-01-15'
+          temporal_extent:
-        has_accumulation_start_date: '2010-01-01'
+            begin_of_the_begin: '2024-01-15'
-        has_accumulation_end_date: '2020-12-31'
+          has_or_had_identifier:
+            - has_or_had_value: "RM-2024-0001"
+        has_or_had_accumulation:
+          temporal_extent:
+            begin_of_the_begin: '2010-01-01'
+            end_of_the_end: '2020-12-31'
         creating_agency: Director's Office
         processing_status: UNPROCESSED
         processing_priority: MEDIUM
@@ -385,10 +388,15 @@ classes:
         archive_name: Ministry of Finance Records 1990-2005
         archive_description: Financial policy records, budget documentation, and ministerial correspondence transferred under
           government archives law.
-        accession_number: NA-2015-GOV-0234
+        is_or_was_accessioned_through:  # was: has_accession_date - migrated per Rule 53 (2026-01-26)
-        accession_date: '2015-06-01'
+          temporal_extent:
-        has_accumulation_start_date: '1990-01-01'
+            begin_of_the_begin: '2015-06-01'
-        has_accumulation_end_date: '2005-12-31'
+          has_or_had_identifier:
+            - has_or_had_value: "NA-2015-GOV-0234"
+        has_or_had_accumulation:
+          temporal_extent:
+            begin_of_the_begin: '1990-01-01'
+            end_of_the_end: '2005-12-31'
         creating_agency: Ministry of Finance
         processing_status: IN_ARRANGEMENT
         processing_priority: HIGH

schemas/20251121/linkml/modules/classes/DigitalArchive.yaml

@@ -19,7 +19,8 @@ imports:
   - ./CollectionType
   - ../slots/has_or_had_scope  # was: type_scope - migrated per Rule 53 (2026-01-15)
   - ./Scope  # for has_or_had_scope range (2026-01-15)
-  - ../slots/has_access_interface_url
+  - ../slots/has_or_had_interface  # was: has_access_interface_url - migrated per Rule 53 (2026-01-26)
+  - ./AccessInterface  # for has_or_had_interface range
   - ../slots/content_origin
   - ../slots/has_or_had_custodian_type
   - ../slots/has_or_had_operates_platform_type
@@ -40,7 +41,7 @@ classes:
     is_a: ArchiveOrganizationType
     class_uri: skos:Concept
     slots:
-    - has_access_interface_url
+    - has_or_had_interface  # was: has_access_interface_url - migrated per Rule 53 (2026-01-26)
     - content_origin
     - has_or_had_custodian_type
     - hold_or_held_record_set_type
@@ -93,10 +94,19 @@ classes:
         examples:
         - value: level_3
           description: NDSA Level 3 - Monitor
-      has_access_interface_url:
+      has_or_had_interface:  # was: has_access_interface_url - migrated per Rule 53 (2026-01-26)
-        range: uri
+        description: |
+          Access interface for the digital archive.
+          MIGRATED from has_access_interface_url per Rule 53.
+          Uses AccessInterface class.
+        range: AccessInterface
+        inlined: true
+        required: false
         examples:
-        - value: https://archive.example.org/access
+        - value:
+            has_or_had_url:
+              has_or_had_value: "https://archive.example.org/access"
+          description: Access interface URL
       has_or_had_format:  # was: supported_format - migrated per Rule 53/56 (2026-01-16)
         range: uriorcurie
         multivalued: true
@@ -148,7 +158,9 @@ classes:
           platform_type_label: Public Discovery Interface
         content_origin: mixed
         preservation_level: level_3
-        access_interface_url: https://digitalarchive.example.org
+        has_or_had_interface:
+          has_or_had_url:
+            has_or_had_value: "https://digitalarchive.example.org"
         has_or_had_format:  # was: supported_format - migrated per Rule 53/56 (2026-01-16)
         - iana:application/pdf
         - iana:image/tiff

schemas/20251121/linkml/modules/classes/DigitalPlatform.yaml

@@ -37,7 +37,8 @@ imports:
   # REMOVED 2026-01-22: ../slots/collection_web_address - migrated to has_or_had_web_page + WebPage (Rule 53)
   - ../slots/has_or_had_web_page
   - ./WebPage
-  - ../slots/fixity_check_date
+  - ../slots/is_or_was_checked_through  # was: fixity_check_date - migrated per Rule 53 (2026-01-26)
+  - ./FixityVerification  # for is_or_was_checked_through range
   - ../slots/homepage_web_address
   - ../slots/iiif_support
   - ../slots/inventory_web_address
@@ -119,7 +120,7 @@ classes:
     # REMOVED 2026-01-22: collection_web_address - migrated to has_or_had_web_page + WebPage (Rule 53)
     - has_or_had_web_page
     - has_or_had_data_service_endpoint
-    - fixity_check_date
+    - is_or_was_checked_through  # was: fixity_check_date - migrated per Rule 53 (2026-01-26)
     - homepage_web_address
     - iiif_support
     - inventory_web_address
@@ -370,11 +371,19 @@ classes:
               label_text: DANS Data Archive
               language: en
           description: Dutch trusted digital repository
-      fixity_check_date:
+      is_or_was_checked_through:  # was: fixity_check_date - migrated per Rule 53 (2026-01-26)
-        range: date
+        description: |
+          Verification of data integrity (fixity check).
+          MIGRATED from fixity_check_date per Rule 53.
+          Uses FixityVerification class with temporal_extent.
+        range: FixityVerification
+        inlined: true
         required: false
         examples:
-        - value: '2025-11-15'
+        - value:
+            temporal_extent:
+              begin_of_the_begin: '2025-11-15'
+            has_or_had_label: "Last full fixity check"
           description: Last fixity check date
       serves_finding_aid:
         range: uriorcurie

schemas/20251121/linkml/modules/classes/DimArchives.yaml

@@ -43,7 +43,7 @@ classes:
     is_a: ArchiveOrganizationType
     class_uri: schema:ArchiveOrganization
     slots:
-    - has_access_application_url
+    - grants_or_granted_access_through  # was: has_access_application_url - migrated per Rule 53 (2026-01-26)
     - has_or_had_custodian_type
     - condition_of_access  # was: default_access_policy - migrated per Rule 53 (2026-01-23)
     - hold_or_held_record_set_type
@@ -103,10 +103,19 @@ classes:
           - user_based
           - process_based
           description: Researcher credentials + approval process
-      has_access_application_url:
+      grants_or_granted_access_through:  # was: has_access_application_url - migrated per Rule 53 (2026-01-26)
-        range: uri
+        description: |
+          URL or mechanism for requesting access.
+          MIGRATED from has_access_application_url per Rule 53.
+          Uses AccessApplication class.
+        range: AccessApplication
+        inlined: true
+        required: false
         examples:
-        - value: https://archive.example.org/request-access
+        - value:
+            has_or_had_url:
+              has_or_had_value: "https://archive.example.org/request-access"
+          description: Access request form
       has_or_had_time_interval:  # was: typical_approval_time - migrated per Rule 53 (2026-01-15)
         range: TimeInterval
         inlined: true
@@ -162,7 +171,9 @@ classes:
         - user_based
         - process_based
         - content_based
-        access_application_url: https://archive.example.org/apply
+        grants_or_granted_access_through:
+          has_or_had_url:
+            has_or_had_value: "https://archive.example.org/apply"
         has_or_had_time_interval:  # was: typical_approval_time
           duration_description: "5-10 business days"
           days: 7

schemas/20251121/linkml/modules/classes/EncompassingBodyTypes.yaml

@@ -740,9 +740,7 @@ classes:
         description: 'The European Research Council (ERC) is the premier European funding
 
           organisation for excellent frontier research. It funds researchers
-
+          of any nationality and has_or_had_age who wish to carry out their research in
-          of any nationality and has_age who wish to carry out their research in
-
           EU Member States or Associated Countries. ERC grants are awarded
 
           through open competition to researchers in any field of research.

schemas/20251121/linkml/modules/classes/ExhibitedObject.yaml

@@ -130,7 +130,7 @@ classes:
     # current_keeper, current_location, has_or_had_identifier, 
     # specificity_annotation, template_specificity
     # These are listed here to apply class-specific slot_usage
-    - has_accession_number
+    - has_or_had_identifier  # was: has_accession_number - migrated per Rule 53 (2026-01-26)
     - has_acquisition_date
     - has_acquisition_method
     # REMOVED 2026-01-23: catalog_raisonne_number - migrated to has_or_had_identifier per Rule 53/F26
@@ -327,14 +327,78 @@ classes:
         examples:
         - value: Gallery 15
         - value: Dutch Golden Age wing, Room 3
-      has_accession_number:
+      has_or_had_identifier:  # was: has_accession_number - migrated per Rule 53 (2026-01-26)
+        description: |
+          Identifiers for this exhibited object, including accession numbers.
+          MIGRATED from has_accession_number (2026-01-26).
+          Also includes wikidata_id and catalog_raisonne_number migrations.
+          
+          Use has_or_had_type to distinguish identifier types:
+          - AccessionNumber (rico:Identifier)
+          - WikiDataIdentifier (Wikidata Q-number)
+          - CatalogRaisonneNumber (art historical reference)
+        range: Identifier
+        multivalued: true
+        inlined: true
+        inlined_as_list: true
+        required: false
+        any_of:
+          - range: AccessionNumber
+          - range: WikiDataIdentifier
+          - range: Identifier
+          - range: uriorcurie
+        examples:
+        - value:
+            identifier_value: '670'
+            has_or_had_type: AccessionNumber
+          description: Mauritshuis accession number for Girl with a Pearl Earring (was has_accession_number)
+        - value:
+            identifier_value: SK-C-5
+            has_or_had_type: AccessionNumber
+          description: Rijksmuseum accession for The Night Watch (was has_accession_number)
+        - value:
+            identifier_value: "Q81858"
+            has_or_had_type: WikiDataIdentifier
+          description: Girl with a Pearl Earring Wikidata identifier
+      inventory_number:
         required: false
         range: string
         examples:
-        - value: '670'
+        - value: Gallery 15
-          description: Mauritshuis accession number for Girl with a Pearl Earring
+        - value: Dutch Golden Age wing, Room 3
-        - value: SK-C-5
+      has_or_had_identifier:  # was: has_accession_number - migrated per Rule 53 (2026-01-26)
-          description: Rijksmuseum accession for The Night Watch
+        description: |
+          Identifiers for this exhibited object, including accession numbers.
+          MIGRATED from has_accession_number (2026-01-26).
+          Also includes wikidata_id and catalog_raisonne_number migrations.
+          
+          Use has_or_had_type to distinguish identifier types:
+          - AccessionNumber (rico:Identifier)
+          - WikiDataIdentifier (Wikidata Q-number)
+          - CatalogRaisonneNumber (art historical reference)
+        range: Identifier
+        multivalued: true
+        inlined: true
+        inlined_as_list: true
+        required: false
+        any_of:
+          - range: AccessionNumber
+          - range: WikiDataIdentifier
+          - range: Identifier
+          - range: uriorcurie
+        examples:
+        - value:
+            identifier_value: '670'
+            has_or_had_type: AccessionNumber
+          description: Mauritshuis accession number for Girl with a Pearl Earring (was has_accession_number)
+        - value:
+            identifier_value: SK-C-5
+            has_or_had_type: AccessionNumber
+          description: Rijksmuseum accession for The Night Watch (was has_accession_number)
+        - value:
+            identifier_value: "Q81858"
+            has_or_had_type: WikiDataIdentifier
+          description: Girl with a Pearl Earring Wikidata identifier
       inventory_number:
         required: false
         range: string

schemas/20251121/linkml/modules/classes/FundingAgenda.yaml

@@ -16,12 +16,18 @@ imports:
   - ../slots/geographic_scope
   - ../slots/keyword
   - ../slots/language
-  - ../slots/has_agenda_description
+  - ../slots/has_or_had_description
-  - ../slots/has_agenda_document_url
+  - ../classes/Description
+  - ../slots/has_or_had_url
+  - ../classes/URL
+  - ../slots/has_or_had_label
+  - ../classes/Label
+  - ../classes/LabelType
+  - ../classes/LabelTypes
+  - ../slots/has_or_had_title
+  - ../classes/Title
   - ../slots/has_or_had_identifier
-  - ../slots/has_agenda_short_name
+  - ../classes/Identifier
-  - ../slots/has_agenda_title
-  - ../slots/has_agenda_url
   - ../slots/is_or_was_governed_by  # was: governing_body - migrated per Rule 53 (2026-01-26)
   - ../slots/heritage_relevance
   - ../slots/has_or_had_implementing_organisation
@@ -88,12 +94,11 @@ classes:
     - schema:Action
     - prov:Plan
     slots:
-    - has_agenda_description
+    - has_or_had_description
-    - has_agenda_document_url
+    - has_or_had_url
     - has_or_had_identifier
-    - has_agenda_short_name
+    - has_or_had_label
-    - has_agenda_title
+    - has_or_had_title
-    - has_agenda_url
     - has_or_had_scope
     - is_or_was_governed_by
     - heritage_relevance
@@ -123,29 +128,56 @@ classes:
           description: Horizon Europe Strategic Plan 2021-2024
         - value: https://nde.nl/ontology/hc/agenda/uk/ace-lets-create
           description: Arts Council England Let's Create strategy
-      has_agenda_title:
+      has_or_had_title:
         required: true
         range: string
+        description: Official title of the funding agenda.
         examples:
         - value: Nationale Wetenschapsagenda
           description: Dutch Research Agenda official Dutch title
         - value: Horizon Europe Strategic Plan 2021-2024
           description: EU framework strategic plan
-      has_agenda_short_name:
+      has_or_had_label:
-        range: string
+        range: Label
+        inlined: true
+        multivalued: true
+        description: Short name or abbreviation for the agenda (e.g. NWA, HE SP).
         examples:
-        - value: NWA
+        - value:
+            has_or_had_label: NWA
+            has_or_had_type:
+              has_or_had_code: SHORT_NAME
           description: Dutch Research Agenda acronym
-        - value: HE SP
+        - value:
+            has_or_had_label: HE SP
+            has_or_had_type:
+              has_or_had_code: SHORT_NAME
           description: Horizon Europe Strategic Plan
-        - value: Let's Create
+        - value:
+            has_or_had_label: Let's Create
+            has_or_had_type:
+              has_or_had_code: SHORT_NAME
           description: Arts Council England strategy
-      has_agenda_description:
+      has_or_had_description:
-        range: string
+        range: Description
-      has_agenda_url:
+        inlined: true
-        range: uri
+        description: Description of the funding agenda.
-      has_agenda_document_url:
+      has_or_had_url:
-        range: uri
+        range: URL
+        inlined: true
+        multivalued: true
+        description: URLs related to the agenda (website, documents).
+        examples:
+        - value:
+            has_or_had_url: https://www.nwo.nl/en/researchprogrammes/dutch-research-agenda-nwa
+            has_or_had_type:
+              has_or_had_code: WEBSITE
+          description: Agenda website
+        - value:
+            has_or_had_url: https://wetenschapsagenda.nl/publicaties/
+            has_or_had_type:
+              has_or_had_code: DOCUMENT
+          description: Agenda document URL
       is_or_was_governed_by:
         range: GoverningBody
         examples:

schemas/20251121/linkml/modules/classes/GeoSpatialPlace.yaml

@@ -11,11 +11,9 @@ prefixes:
 imports:
   - linkml:types
   - ../metadata
-  - ../slots/geonames_id
+  - ../slots/has_or_had_coordinates  # was: latitude, longitude, accuracy - migrated per Rule 53 (2026-01-26)
-  - ../slots/latitude
+  - ./Coordinates
-  - ../slots/longitude
   - ../slots/has_altitude
-  - ../slots/has_accuracy_in_meters
   - ../slots/has_or_had_geographic_extent  # was: bounding_box - migrated per Rule 53/56 (2026-01-17)
   - ../slots/has_or_had_identifier
   - ../slots/coordinate_reference_system
@@ -165,7 +163,7 @@ classes:
     - tooi:BestuurlijkeRuimte
     - crm:E53_Place
     slots:
-    - has_accuracy_in_meters
+    - has_or_had_coordinates  # was: latitude, longitude, accuracy
     - has_altitude
     - has_or_had_geographic_extent  # was: bounding_box - migrated per Rule 53/56 (2026-01-17)
     - has_or_had_identifier
@@ -177,8 +175,8 @@ classes:
     - geonames_id
     - geospatial_id
     - geospatial_source
-    - latitude
+    # - latitude  # migrated to has_or_had_coordinates
-    - longitude
+    # - longitude # migrated to has_or_had_coordinates
     - osm_id
     - spatial_resolution
     - specificity_annotation
@@ -191,16 +189,16 @@ classes:
         examples:
         - value: https://nde.nl/ontology/hc/geo/rijksmuseum-building
         - value: https://nde.nl/ontology/hc/geo/amsterdam-centroid
-      latitude:
+      has_or_had_coordinates:
+        range: Coordinates
+        inlined: true
         required: true
         examples:
-        - value: 52.36
+        - value:
-          description: Rijksmuseum latitude
+            latitude: 52.36
-      longitude:
+            longitude: 4.8852
-        required: true
+            precision: 1.0
-        examples:
+          description: Rijksmuseum coordinates
-        - value: 4.8852
-          description: Rijksmuseum longitude
       geometry_wkt:
         examples:
         - value: POLYGON((4.883 52.359, 4.887 52.359, 4.887 52.361, 4.883 52.361, 4.883 52.359))
@@ -253,8 +251,10 @@ classes:
     examples:
     - value:
         geospatial_id: https://nde.nl/ontology/hc/geo/rijksmuseum-building
-        latitude: 52.36
+        has_or_had_coordinates:
-        longitude: 4.8852
+          latitude: 52.36
+          longitude: 4.8852
+          precision: 1.0
         altitude: 0.0
         has_or_had_geometry:
         - as_wkt: POLYGON((4.8830 52.3590, 4.8870 52.3590, 4.8870 52.3610, 4.8830 52.3610, 4.8830 52.3590))
@@ -263,7 +263,6 @@ classes:
         coordinate_reference_system: EPSG:4326
         geonames_id: 6930126
         osm_id: way/27083908
-        has_accuracy_in_meters: 1.0
         geospatial_source: OpenStreetMap
         spatial_resolution: BUILDING
         has_or_had_geofeature:
@@ -273,14 +272,15 @@ classes:
       description: Rijksmuseum building with full geospatial detail
     - value:
         geospatial_id: https://nde.nl/ontology/hc/geo/amsterdam-centroid
-        latitude: 52.3676
+        has_or_had_coordinates:
-        longitude: 4.9041
+          latitude: 52.3676
+          longitude: 4.9041
+          precision: 500.0
         has_or_had_geometry:
         - has_or_had_type:
             has_or_had_label: POINT
         coordinate_reference_system: EPSG:4326
         geonames_id: 2759794
-        has_accuracy_in_meters: 500.0
         geospatial_source: GeoNames API
         spatial_resolution: CITY
         has_or_had_geofeature:
@@ -290,14 +290,15 @@ classes:
       description: Amsterdam city centroid (approximate)
     - value:
         geospatial_id: https://nde.nl/ontology/hc/geo/noord-holland-archive-territory-pre-2001
-        latitude: 52.5
+        has_or_had_coordinates:
-        longitude: 4.8
+          latitude: 52.5
+          longitude: 4.8
+          precision: 1000.0
         has_or_had_geometry:
         - as_wkt: MULTIPOLYGON(((4.5 52.2, 5.2 52.2, 5.2 52.8, 4.5 52.8, 4.5 52.2)))
           has_or_had_type:
             has_or_had_label: MULTIPOLYGON
         coordinate_reference_system: EPSG:4326
-        has_accuracy_in_meters: 1000.0
         geospatial_source: Historical cadastral records
         spatial_resolution: REGION
         has_or_had_geofeature:

schemas/20251121/linkml/modules/classes/GovernmentHierarchy.yaml

@@ -0,0 +1,46 @@
+# GovernmentHierarchy class
+# Represents the hierarchical structure of government administration
+#
+# Generation date: 2026-01-27
+# Rule compliance: 0b, 38, 39, 53
+#
+# Created for has_administrative_level migration
+
+id: https://nde.nl/ontology/hc/class/GovernmentHierarchy
+name: GovernmentHierarchy
+title: Government Hierarchy Class
+
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  org: http://www.w3.org/ns/org#
+  skos: http://www.w3.org/2004/02/skos/core#
+
+default_prefix: hc
+
+imports:
+  - linkml:types
+  - ../slots/has_or_had_label
+  - ../slots/has_or_had_tier
+  - ./AdministrativeLevel
+
+classes:
+  GovernmentHierarchy:
+    class_uri: org:OrganizationalUnit
+    description: |
+      A structural unit or level within a government hierarchy.
+      Used to model the administrative context of official institutions.
+      
+      **Structure**:
+      - Links to AdministrativeLevel via has_or_had_tier.
+      - Can be used with is_or_was_part_of to place an institution in the hierarchy.
+    slots:
+      - has_or_had_label
+      - has_or_had_tier
+    slot_usage:
+      has_or_had_tier:
+        range: AdministrativeLevel
+        required: true
+        description: The administrative level of this hierarchy node.
+      has_or_had_label:
+        description: Name of the hierarchy (e.g. "Dutch National Government")

schemas/20251121/linkml/modules/classes/HALCAdm2Name.yaml

@@ -1,4 +1,22 @@
+id: https://nde.nl/ontology/hc/class/HALCAdm2Name
+name: HALCAdm2Name
+title: HALC Adm2 Name
+description: >-
+  A HALC administrative level 2 name.
+  MIGRATED from halc_adm2_name slot per Rule 53.
+  Follows skos:label.
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  skos: http://www.w3.org/2004/02/skos/core#
+imports:
+  - linkml:types
+  - ../slots/has_or_had_label
+  - ../slots/has_or_had_description
+default_prefix: hc
 classes:
   HALCAdm2Name:
-    is_a: Label
+    class_uri: skos:Concept
-    description: "HALC administrative level 2 name."
+    slots:
+      - has_or_had_label
+      - has_or_had_description

schemas/20251121/linkml/modules/classes/LabelType.yaml

@@ -1,65 +1,54 @@
+# LabelType class
+# Abstract base class for label types classification
+#
+# Generation date: 2026-01-27
+# Rule compliance: 0b (Type/Types pattern), 38, 39, 53
+#
+# Updated for Label migration
+
 id: https://nde.nl/ontology/hc/class/LabelType
-name: label_type_class
+name: LabelType
-title: Label Type Class
+title: Label Type Abstract Class
-description: |
+
-  Abstract base class for label type taxonomy.
-  Follows Rule 0b Type/Types naming pattern.
-  
-  **USE CASES**:
-  - Categorizing different kinds of labels (department codes, identifiers, names)
-  - Distinguishing label purposes (official name, abbreviation, code)
-  
-  **SUBCLASSES** (in LabelTypes.yaml):
-  - DepartmentCode: Department identifier codes
-  - DepartmentName: Department display names
-  - OfficialName: Legal/official names
-  - Abbreviation: Short form names
-imports:
-  - linkml:types
 prefixes:
   linkml: https://w3id.org/linkml/
   hc: https://nde.nl/ontology/hc/
   skos: http://www.w3.org/2004/02/skos/core#
+
 default_prefix: hc
+
+imports:
+  - linkml:types
+  - ../slots/has_or_had_label
+  - ../slots/has_or_had_code
+  - ../slots/has_or_had_description
+
 classes:
   LabelType:
-    class_uri: hc:LabelType
+    class_uri: skos:Concept
-    abstract: true
     description: |
       Abstract base class for label type classifications.
       Concrete subclasses defined in LabelTypes.yaml.
+    abstract: true
     exact_mappings:
       - skos:Concept
     slots:
-      - type_code
+      - has_or_had_label
-      - type_name
+      - has_or_had_code
-      - type_description
+      - has_or_had_description
     slot_usage:
-      type_code:
+      has_or_had_code:
         range: string
         required: true
         description: Short code for the label type
         examples:
-          - value: "DEPT_CODE"
+          - value: "SHORT_NAME"
-            description: Department code type
+            description: Short name type
-      type_name:
+      has_or_had_label:
         range: string
         required: false
         description: Human-readable name for the label type
-      type_description:
+      has_or_had_description:
         range: string
         required: false
         description: Description of when to use this label type
-slots:
-  type_code:
-    slot_uri: hc:typeCode
-    range: string
-    description: Short code for the type
-  type_name:
-    slot_uri: hc:typeName
-    range: string
-    description: Human-readable name for the type
-  type_description:
-    slot_uri: hc:typeDescription
-    range: string
-    description: Description of the type

schemas/20251121/linkml/modules/classes/LabelTypes.yaml

@@ -1,3 +1,11 @@
+# LabelTypes classes
+# Concrete subclasses for LabelType taxonomy
+#
+# Generation date: 2026-01-27
+# Rule compliance: 0b (Type/Types pattern)
+#
+# Updated for Label migration
+
 id: https://nde.nl/ontology/hc/class/LabelTypes
 name: label_types_classes
 title: Label Types Classes
@@ -12,6 +20,11 @@ prefixes:
   hc: https://nde.nl/ontology/hc/
 default_prefix: hc
 classes:
+  ShortNameType:
+    is_a: LabelType
+    class_uri: hc:ShortNameType
+    description: Label type for short names or abbreviations.
+    
   DepartmentCodeType:
     is_a: LabelType
     class_uri: hc:DepartmentCodeType

schemas/20251121/linkml/modules/classes/Loan.yaml

@@ -96,7 +96,7 @@ classes:
     - crm:E8_Acquisition
     - schema:TransferAction
     slots:
-    - has_actual_return_date
+    - temporal_extent  # was: has_actual_return_date - migrated per Rule 53 (2026-01-26)
     - has_agreement_signed_date
     - has_approval_date
     - custody_received_by  # was: borrower - migrated per Rule 53/56 (2026-01-17)
@@ -251,11 +251,19 @@ classes:
               has_or_had_unit:
                 has_or_had_label: "event"
           description: One extension granted
-      has_actual_return_date:
+      temporal_extent:  # was: has_actual_return_date - migrated per Rule 53 (2026-01-26)
+        description: |
+          Temporal extent of the loan including actual return date.
+          MIGRATED from has_actual_return_date per Rule 53.
+          Uses TimeSpan class.
+          Use end_of_the_end for actual return date.
+        range: TimeSpan
+        inlined: true
         required: false
-        range: date
         examples:
-        - value: '2023-06-07'
+        - value:
+            end_of_the_end: '2023-06-07'
+          description: Actual return date
       loan_timespan:
         required: false
         range: TimeSpan
@@ -413,7 +421,8 @@ classes:
         agreement_signed_date: '2022-03-15'
         loan_start_date: '2023-02-10'
         loan_end_date: '2023-06-04'
-        actual_return_date: '2023-06-07'
+        temporal_extent:  # was: has_actual_return_date (2026-01-26)
+          end_of_the_end: '2023-06-07'
         insurance_value: 30000000
         insurance_currency: EUR
         insurance_provider: Rijksindemniteit
@@ -461,7 +470,8 @@ classes:
         loan_purpose: Technical analysis for Rembrandt drawings catalogue
         loan_start_date: '2024-03-01'
         loan_end_date: '2024-04-15'
-        actual_return_date: '2024-04-12'
+        temporal_extent:  # was: has_actual_return_date (2026-01-26)
+          end_of_the_end: '2024-04-12'
         courier_required: false
         # MIGRATED 2026-01-22: condition_on_return → is_or_was_returned + ReturnEvent
         is_or_was_returned:

schemas/20251121/linkml/modules/classes/MissionStatement.yaml

@@ -45,7 +45,8 @@ imports:
   - ../slots/has_or_had_url  # was: text_fragment - migrated per Rule 53
   - ./URL  # for has_or_had_url range (Rule 53 migration)
   - ../slots/has_archive_memento_uri
-  - ../slots/has_adoption_context
+  - ../slots/describes_or_described
+  - ../classes/Policy
 default_prefix: hc
 classes:
   MissionStatement:
@@ -82,7 +83,7 @@ classes:
     - schema:ethicsPolicy
     - schema:seeks
     slots:
-    - has_adoption_context
+    - describes_or_described
     - has_archive_memento_uri
     - content_hash
     - css_selector
@@ -106,6 +107,9 @@ classes:
     - has_or_had_url  # was: text_fragment - migrated per Rule 53
     - has_or_had_provenance_path
     slot_usage:
+      describes_or_described:
+        range: Policy
+        description: The policy (e.g. strategic plan, adoption framework) described by this mission statement.
       has_or_had_type:
         required: true
         range: StatementType

schemas/20251121/linkml/modules/classes/OfficialInstitutionType.yaml

@@ -5,7 +5,8 @@ imports:
   - linkml:types
   - ./CustodianType
   - ../enums/OfficialInstitutionTypeEnum
-  - ../slots/has_administrative_level
+  - ../slots/is_or_was_part_of
+  - ../classes/GovernmentHierarchy
   - ../slots/has_or_had_custodian_type
   - ../slots/funding_program
   - ../slots/heritage_mandate
@@ -203,7 +204,7 @@ classes:
       \n**See Also**:\n- Dutch TOOI ontology: `/data/ontology/tooiont.ttl`\n- EU CPOV specification: `/data/ontology/core-public-organisation-ap.ttl`\n\
       - Schema.org GovernmentOrganization: `schema:GovernmentOrganization`\n"
     slots:
-    - has_administrative_level
+    - is_or_was_part_of
     - has_or_had_custodian_type
     - funding_program
     - heritage_mandate
@@ -214,9 +215,15 @@ classes:
     - specificity_annotation
     - has_or_had_score  # was: template_specificity - migrated per Rule 53 (2026-01-17)
     slot_usage:
-      has_administrative_level:
+      is_or_was_part_of:
-        range: string
+        range: GovernmentHierarchy
-        required: true
+        description: The administrative hierarchy this institution type belongs to (e.g. National, Provincial).
+        examples:
+        - value:
+            has_or_had_label: National Government
+            has_or_had_tier:
+              has_or_had_label: National
+          description: National level
       heritage_mandate:
         range: string
         multivalued: true

schemas/20251121/linkml/modules/classes/PersonObservation.yaml

@@ -29,7 +29,8 @@ imports:
   # REMOVED 2026-01-23: ../slots/date_of_death - migrated to is_deceased.temporal_extent (Rule 53)
   - ../slots/is_deceased  # was: deceased - migrated per Rule 53/56/57 (2026-01-23)
   - ./DeceasedStatus
-  - ../slots/has_age
+  - ../slots/has_or_had_age
+  - ../classes/Age
   - ../slots/occupation
   - ../slots/religion
   - ../slots/has_or_had_label  # was: gender_identity - migrated per Rule 53 (2026-01-26)
@@ -116,123 +117,11 @@ classes:
     - prov:Agent
     slots:
     - is_or_was_affected_by_event
-    - has_age
+    - has_or_had_age
-    # REMOVED: birth_date - migrated to has_or_had_date_of_birth (Rule 53)
-    - has_or_had_date_of_birth
-    # REMOVED: birth_place - migrated to has_or_had_place_of_birth (Rule 53)
-    - has_or_had_place_of_birth
-    - contact_email
-    - created
-    # REMOVED 2026-01-23: date_of_death - migrated to is_deceased.temporal_extent (Rule 53)
-    # REMOVED 2026-01-24: death_place - migrated to is_deceased.occurs_or_occurred_at (Rule 53)
-    - is_deceased  # was: deceased - migrated per Rule 53/56/57 (2026-01-23)
-    - has_or_had_expertise_in
-    - has_or_had_provenance  # was: extraction_metadata
-    - identifies_or_identified_as  # was: gender_identity - migrated per Rule 53 (2026-01-26)
-    - has_person_name
-    - id
-    - linkedin_profile_path
-    - linkedin_profile_url
-    - modified
-    - observation_source
-    - has_or_had_provenance  # was: has_or_had_observation_source_document - migrated per Rule 55 (2026-01-16)
-    - occupation
-    - person_name
-    - pronoun
-    - refers_to_person
-    - religion
-    - role_end_date
-    - role_start_date
-    - role_title
-    - specificity_annotation
-    - staff_role
-    - has_or_had_score  # was: template_specificity - migrated per Rule 53 (2026-01-17)
-    # REMOVED: unit_affiliation - migrated to is_or_was_affiliated_with (Rule 53)
-    - is_or_was_affiliated_with  # was: unit_affiliation
-    - has_or_had_web_claim
     slot_usage:
-      id:
+      has_or_had_age:
-        range: uriorcurie
+        range: Age
-        required: true
+        description: Age of the person (structured or simple value).
-        identifier: true
-        pattern: ^https://nde\.nl/ontology/hc/person-obs/[a-z0-9-]+/[a-z0-9-]+/[a-z0-9-]+$
-      person_name:
-        range: string
-        required: true
-      has_person_name:
-        range: PersonName
-        required: false
-        inlined: true
-      refers_to_person:
-        range: Person
-        required: false
-        comments:
-        - Required is false initially to allow PersonObservation without hub linkage
-        - Production data SHOULD always have this link for full PICO compliance
-        - 'Inverse relationship: Person.has_person_observation (implemented v0.9.8)'
-      has_or_had_date_of_birth:
-        description: >-
-          Birth date of the person using structured BirthDate class.
-          MIGRATED from birth_date slot (Rule 53).
-          
-          Supports EDTF notation for uncertain/incomplete dates and
-          tracks provenance for inferred dates per Rule 45.
-        range: BirthDate
-        inlined: true
-        required: false
-        examples:
-          - value: |
-              temporal_extent:
-                has_or_had_notation: "1970-08-15"
-                begin_of_the_begin: "1970-08-15T00:00:00Z"
-                end_of_the_end: "1970-08-15T23:59:59Z"
-              is_inferred: false
-            description: Full date known
-          - value: |
-              temporal_extent:
-                has_or_had_notation: "197X"
-                begin_of_the_begin: "1970-01-01T00:00:00Z"
-                end_of_the_end: "1979-12-31T23:59:59Z"
-              is_inferred: true
-            description: Decade inferred from career start
-      has_or_had_place_of_birth:
-        description: >-
-          Birth place of the person using structured BirthPlace class.
-          MIGRATED from birth_place slot (Rule 53).
-          
-          Supports historical vs. modern place names and links to
-          GeoNames/Wikidata for geographic resolution.
-        range: BirthPlace
-        inlined: true
-        required: false
-        examples:
-          - value: |
-              place_name: Amsterdam
-              country_code: NL
-              geonames_id: 2759794
-            description: Birth place with geographic identifiers
-          - value: |
-              place_name: Batavia
-              modern_place_name: Jakarta
-              country_code: ID
-            description: Historical place name
-      # REMOVED 2026-01-24: death_place - migrated to is_deceased.occurs_or_occurred_at (Rule 53)
-      # REMOVED 2026-01-23: date_of_death - migrated to is_deceased.temporal_extent (Rule 53)
-      is_deceased:  # was: deceased - migrated per Rule 53/56/57 (2026-01-23)
-        range: DeceasedStatus
-        inlined: true
-        required: false
-        description: >-
-          Structured information about death status.
-          Includes cause of death, date, and narrative description.
-        examples:
-          - value:
-              is_or_was_caused_by:
-                cause_type: NATURAL
-              temporal_extent:
-                begin_of_the_begin: "2020-03-15"
-            description: Natural death with known date
-      has_age:
         range: string
         required: false
       occupation:

schemas/20251121/linkml/modules/classes/ReconstructionAgent.yaml

@@ -19,8 +19,11 @@ imports:
   - ../metadata
   - ../enums/AgentTypeEnum
   - ../slots/id
-  - ../slots/has_agent_name
+  - ../slots/has_or_had_label
-  - ../slots/has_agent_type
+  - ../classes/Label
+  - ../slots/has_or_had_type
+  - ../classes/AgentType
+  - ../classes/AgentTypes
   - ../slots/has_or_had_affiliation
   - ../slots/contact
   - ../slots/specificity_annotation
@@ -72,18 +75,20 @@ classes:
     - tooi:Overheidsorganisatie
     slots:
     - has_or_had_affiliation
-    - has_agent_name
+    - has_or_had_label
-    - has_agent_type
+    - has_or_had_type
     - contact
     - id
     - specificity_annotation
     - has_or_had_score  # was: template_specificity - migrated per Rule 53 (2026-01-17)
     slot_usage:
-      has_agent_name:
+      has_or_had_label:
-        range: string
+        range: Label
         required: true
-      has_agent_type:
+        description: Name of the agent.
-        range: AgentTypeEnum
+      has_or_had_type:
+        range: AgentType
+        description: Type of the agent (Person, Organization, SoftwareAgent).
       has_or_had_affiliation:
         range: string
       contact:

schemas/20251121/linkml/modules/classes/Verwaltungsarchiv.yaml

@@ -25,6 +25,8 @@ imports:
   - ./VerwaltungsarchivRecordSetType
   - ../slots/label_de
   - ../slots/record_set_type
+  - ../slots/is_or_was_part_of
+  - ../classes/GovernmentHierarchy
 classes:
   Verwaltungsarchiv:
     description: An administrative archive (Verwaltungsarchiv) that preserves records  created in the course of administrative
@@ -39,7 +41,11 @@ classes:
     - has_or_had_score  # was: template_specificity - migrated per Rule 53 (2026-01-17)
     - is_or_was_related_to  # was: wikidata_alignment - migrated per Rule 53 (2026-01-15)
     - has_or_had_identifier  # was: wikidata_entity - migrated per Rule 53 (2026-01-15)
+    - is_or_was_part_of
     slot_usage:
+      is_or_was_part_of:
+        range: GovernmentHierarchy
+        description: Level of administration (federal, state, municipal, corporate)
       is_or_was_related_to:  # was: wikidata_alignment - migrated per Rule 53 (2026-01-15)
         range: WikidataAlignment
         inlined: true
@@ -50,9 +56,6 @@ classes:
       custodian_type:
         equals_expression: 'true'
     attributes:
-      has_administrative_level:
-        description: Level of administration (federal, state, municipal, corporate)
-        range: string
       agency_coverage:
         description: Administrative agencies or departments whose records are held
         range: string

schemas/20251121/linkml/modules/slots/grants_or_granted_access_through.yaml

@@ -0,0 +1,8 @@
+name: grants_or_granted_access_through
+description: >-
+  Indicates that an entity grants or granted access through a specific application or mechanism.
+  MIGRATED from has_access_application_url per Rule 53.
+  Follows RiC-O naming convention.
+slot_uri: schema:potentialAction
+range: uriorcurie
+multivalued: true

schemas/20251121/linkml/modules/slots/has_or_had_accumulation.yaml

@@ -0,0 +1,5 @@
+name: has_or_had_accumulation
+description: The accumulation period or event of the records.
+slot_uri: rico:hasAccumulationDate
+range: Accumulation
+multivalued: true

schemas/20251121/linkml/modules/slots/has_or_had_age.yaml

@@ -0,0 +1,41 @@
+# has_or_had_age slot
+# Generic slot for age or age range
+#
+# Generation date: 2026-01-27
+# Rule compliance: 38, 39, 42
+#
+# Part of has_age migration (Rule 53)
+
+id: https://nde.nl/ontology/hc/slot/has_or_had_age
+name: has_or_had_age_slot
+title: Has Or Had Age Slot
+
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  foaf: http://xmlns.com/foaf/0.1/
+  schema: http://schema.org/
+
+default_prefix: hc
+
+imports:
+  - linkml:types
+
+slots:
+  has_or_had_age:
+    slot_uri: foaf:age
+    description: |
+      The age of an entity (person, object, etc.).
+      
+      **Temporal Semantics** (RiC-O Pattern):
+      "hasOrHad" indicates the age is relative to a specific time or context (e.g., age at death, age at acquisition).
+      
+      **Ontological Alignment**:
+      - `foaf:age`: The age in years of some agent.
+      
+      **Range**:
+      - Can be a simple integer (years) via slot_usage narrowing.
+      - Can be an `Age` class for structured representation (e.g. range, unit).
+    range: uriorcurie
+    multivalued: false
+    required: false

schemas/20251121/linkml/modules/slots/has_or_had_coordinates.yaml

@@ -0,0 +1,5 @@
+name: has_or_had_coordinates
+description: Geographic coordinates.
+slot_uri: schema:geo
+range: Coordinates
+multivalued: true

schemas/20251121/linkml/modules/slots/has_or_had_interface.yaml

@@ -0,0 +1,8 @@
+name: has_or_had_interface
+description: >-
+  Indicates an interface or access point for a digital resource.
+  MIGRATED from has_access_interface_url per Rule 53.
+  Follows RiC-O naming convention.
+slot_uri: dcat:accessService
+range: uriorcurie
+multivalued: true

schemas/20251121/linkml/modules/slots/has_or_had_tier.yaml

@@ -0,0 +1,40 @@
+# has_or_had_tier slot
+# Generic slot for hierarchical tiers or levels
+#
+# Generation date: 2026-01-27
+# Rule compliance: 38, 39, 42
+#
+# Part of has_administrative_level migration (Rule 53)
+
+id: https://nde.nl/ontology/hc/slot/has_or_had_tier
+name: has_or_had_tier_slot
+title: Has Or Had Tier Slot
+
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  org: http://www.w3.org/ns/org#
+  skos: http://www.w3.org/2004/02/skos/core#
+
+default_prefix: hc
+
+imports:
+  - linkml:types
+
+slots:
+  has_or_had_tier:
+    slot_uri: org:classification
+    description: |
+      The tier, level, or classification within a hierarchy.
+      
+      **Temporal Semantics** (RiC-O Pattern):
+      "hasOrHad" indicates the tier assignment may change over time (e.g., reclassification).
+      
+      **Ontological Alignment**:
+      - `org:classification`: Classifies an organization or unit (e.g., into a level).
+      
+      **Usage**:
+      Used in GovernmentHierarchy to link to AdministrativeLevel.
+    range: uriorcurie
+    multivalued: false
+    required: false

schemas/20251121/linkml/modules/slots/is_or_was_accessioned_through.yaml

@@ -0,0 +1,8 @@
+name: is_or_was_accessioned_through
+description: >-
+  Indicates that a record or object was accessioned through a specific event.
+  MIGRATED from has_accession_date per Rule 53.
+  Follows RiC-O naming convention.
+slot_uri: rico:hasOrHadInstantiation
+range: uriorcurie
+multivalued: true

schemas/20251121/linkml/modules/slots/is_or_was_acquired_through.yaml

@@ -0,0 +1,8 @@
+name: is_or_was_acquired_through
+description: >-
+  Indicates that an entity was acquired through a specific acquisition event.
+  MIGRATED from has_acquisition_source per Rule 53.
+  Follows RiC-O naming convention.
+slot_uri: rico:hasOrHadInstantiation
+range: uriorcurie
+multivalued: true

schemas/20251121/linkml/modules/slots/was_acquired_through.yaml

@@ -36,6 +36,8 @@ slots:
       
       **Darwin Core alignment**: For biological specimens, this replaces the simpler `dwc:eventDate`
       with a structured acquisition event that can capture collector, location, method, and date.
+      
+      MIGRATED from has_acquisition_date (2026-01-26).
     range: Acquisition
     slot_uri: crm:P24i_changed_ownership_through
     multivalued: true