Quick Status: Slot Usage Complete ✅

Date: 2025-11-21
Session: 8 (Ontology Mappings)
Status: ✅ COMPLETE

What Was Done

Added comprehensive slot_usage blocks to all 7 classes:

✅ Custodian (base) - 3 slots → CIDOC-CRM properties
✅ CustodianObservation - 8 slots → PROV-O + SKOS + Schema.org
✅ CustodianName - 7 slots → SKOS + Schema.org + Dublin Core
✅ CustodianReconstruction - 13 slots → CPOV + W3C Org + GLEIF + PROV-O
✅ ReconstructionActivity - 7 slots → PROV-O
✅ Agent - 4 slots → PROV-O + FOAF + Schema.org
✅ Identifier - 2 slots → SKOS

Total: 44 slot_usage mappings

Files Changed

File	Lines	Change	Status
`schemas/20251121/linkml/01_custodian_name.yaml`	1,264	+228	✅
`schemas/20251121/ONTOLOGY_MAPPINGS.md`	1,049	+224	✅
`SESSION_SUMMARY_20251121_SLOT_USAGE_COMPLETE.md`	~800	NEW	✅

Ontology Mapping Progress (Sessions 5-8)

Level	Count	Status
Class mappings	95	✅ (Session 5)
Property mappings	41	✅ (Session 6)
Enum mappings	14	✅ (Session 7)
Slot usage mappings	44	✅ (Session 8)

Total: 194 ontology mappings

What This Enables

✅ Valid RDF with class-specific ontology properties
✅ SPARQL queries leveraging ontology structure
✅ OWL reasoning with domain/range constraints
✅ Semantic interoperability with CIDOC-CRM, PROV-O, Schema.org, GLEIF

Next Steps

Regenerate RDF formats with new slot_usage (use gen-owl + rdfpipe)
Create instance examples demonstrating slot_usage patterns
Write SPARQL queries leveraging ontology properties
Validate RDF output against base ontologies

Key Achievement

Before: Generic dcterms:identifier for all IDs
After: Class-specific properties (crm:P1_is_identified_by for Actors, etc.)

Result: Ontology-aligned RDF with semantic precision! 🎯

See: SESSION_SUMMARY_20251121_SLOT_USAGE_COMPLETE.md for full details

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