glam/QUICK_STATUS_ORGANIZATIONAL_COMPLETE_20251122.md
kempersc 2761857b0d Add scripts for converting OWL/Turtle ontology to Mermaid and PlantUML diagrams
- Implemented `owl_to_mermaid.py` to convert OWL/Turtle files into Mermaid class diagrams.
- Implemented `owl_to_plantuml.py` to convert OWL/Turtle files into PlantUML class diagrams.
- Added two new PlantUML files for custodian multi-aspect diagrams.
2025-11-22 23:01:13 +01:00

5.2 KiB

Quick Status: OrganizationalStructure + OrganizationalChangeEvent Complete

Date: 2025-11-22
Status: COMPLETE (Phase 1 + Phase 2)
Schema Version: v0.5.0


What We Built (Summary)

Phase 1: OrganizationalStructure

Purpose: Model operational units (departments, teams, divisions)

Key Files:

  • Class: modules/classes/OrganizationalStructure.yaml
  • Enum: modules/enums/OrganizationalUnitTypeEnum.yaml (9 types)
  • Slots: 6 files (unit_name, unit_type, parent_unit, etc.)

Features:

  • Hierarchical nesting (self-referencing parent_unit)
  • Temporal validity (valid_from/valid_to)
  • W3C ORG alignment (org:OrganizationalUnit)

Phase 2: OrganizationalChangeEvent

Purpose: Document organizational restructuring history

Key Files:

  • Class: modules/classes/OrganizationalChangeEvent.yaml
  • Enum: modules/enums/OrganizationalChangeEventTypeEnum.yaml (9 event types)
  • Slots: 9 files (event_type, event_date, affected_units, etc.)

Event Types: MERGER, SPLIT, DISSOLUTION, REORGANIZATION, RENAMING, TRANSFER, FOUNDING, EXPANSION, REDUCTION

Features:

  • Links to affected/resulting organizational units
  • Documents rationale, staff impact, sources
  • CIDOC-CRM Event (crm:E5_Event) alignment

Schema Statistics

Metric v0.3.0 v0.5.0 Change
Classes 19 21 +2
Enums 7 9 +2
Slots 70 85 +15
Total Files 100 117 +17

Generated Artifacts

RDF/OWL: schemas/20251121/rdf/01_custodian_name_modular_20251122_193018.owl.ttl (205 KB)
ER Diagram: schemas/20251121/uml/mermaid/01_custodian_name_modular_20251122_193024_er.mmd (6.9 KB)


Test Instances

OrganizationalStructure: 5 examples, 35+ units

  • National Archives, Rijksmuseum, KB, Noord-Hollands Archief, Amsterdam Museum

OrganizationalChangeEvent: 10 real-world examples

  • All 9 event types represented (Rijksmuseum merger, KB split, Amsterdam dissolution, etc.)

Documentation

Document Size Purpose
ORGANIZATIONAL_STRUCTURE_EXAMPLES.md ~15,000 words Complete usage guide
ORGANIZATIONAL_STRUCTURE_COMPLETE_20251122.md ~5,000 words Phase 1 summary
ORGANIZATIONAL_CHANGE_EVENT_COMPLETE_20251122.md ~8,000 words Phase 2 summary
SESSION_SUMMARY_ORGANIZATIONAL_MODELING_20251122.md ~7,000 words Full session recap

Key Design Decisions

1. Formal vs. Informal Distinction

  • GovernanceStructure (on CustodianLegalStatus): LEGAL/FORMAL structure from registration
  • OrganizationalStructure (on Custodian): OPERATIONAL/INFORMAL units for day-to-day work

2. Event-Structure Temporal Alignment

  • Dissolved units: valid_to = event_date
  • Created units: valid_from = event_date

3. Hub Architecture Maintained

  • Both features use refers_to_custodian to link to Custodian hub
  • Preserves hub abstraction for multi-aspect modeling

Next Steps (Priority Order)

Priority 1: PiCo Integration - Staff Role Tracking

Goal: Link PersonObservation to organizational units
Timeline: 1-2 hours
Files: PersonObservation.yaml, create unit_affiliation slot

Priority 2: CustodianCollection - Department Mapping

Goal: Link collections to managing units
Timeline: 1 hour
Files: CustodianCollection.yaml, create custodian_department slot

Priority 3: Validation Framework

Goal: Automated temporal consistency checks
Timeline: 2-3 hours
Files: Create validate_organizational_change_events.py

Priority 4: Historical Data Enrichment

Goal: Extract events from annual reports
Timeline: 5-8 hours
Dependencies: Institutional data sources


Quick References

Schema Files

  • Main: schemas/20251121/linkml/01_custodian_name_modular.yaml
  • Custodian: schemas/20251121/linkml/modules/classes/Custodian.yaml
  • Organizational Structure: schemas/20251121/linkml/modules/classes/OrganizationalStructure.yaml
  • Change Events: schemas/20251121/linkml/modules/classes/OrganizationalChangeEvent.yaml

Examples

  • Structures: schemas/20251121/examples/organizational_structure_examples.yaml
  • Events: schemas/20251121/examples/organizational_change_event_examples.yaml

Generated

  • RDF: schemas/20251121/rdf/01_custodian_name_modular_20251122_193018.owl.ttl
  • ER Diagram: schemas/20251121/uml/mermaid/01_custodian_name_modular_20251122_193024_er.mmd

Use Cases Enabled

Organizational history research - Query mergers/splits by date range
Workforce impact analysis - Aggregate staff changes across events
Organizational stability scoring - Count/weight changes per custodian
Successor unit lookup - Trace dissolved units to successors


Status

Phase 1: Complete (OrganizationalStructure)
Phase 2: Complete (OrganizationalChangeEvent)
Phase 3: Planned (PiCo integration)

Schema Validation: RDF/OWL generation successful
Instance Validation: Deferred (tree_root container infrastructure)
Production Readiness: Ready for use


Last Updated: 2025-11-22T21:00:00Z
Schema Version: v0.5.0
Next Session: Start Phase 3 (PiCo) or alternative priority