543 lines
24 KiB
YAML
543 lines
24 KiB
YAML
id: https://nde.nl/ontology/hc/class/ConservationRecord
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name: ConservationRecord
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title: Conservation Record Class
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prefixes:
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linkml: https://w3id.org/linkml/
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hc: https://nde.nl/ontology/hc/
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schema: http://schema.org/
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crm: http://www.cidoc-crm.org/cidoc-crm/
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dcterms: http://purl.org/dc/terms/
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skos: http://www.w3.org/2004/02/skos/core#
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aat: http://vocab.getty.edu/aat/
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imports:
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- linkml:types
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- ../metadata
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- ./TimeSpan
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- ../enums/ConservationStatusEnum
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- ../slots/record_type
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- ../slots/conservation_lab
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- ../slots/follow_up_date
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- ../slots/funding_source
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- ../slots/object_ref
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# MIGRATED 2026-01-22: condition_after → final_of_the_final + ConditionState (Rule 53)
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- ../slots/final_of_the_final
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# MIGRATED 2026-01-22: condition_before → initial_of_the_initial + ConditionState (Rule 53)
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- ../slots/initial_of_the_initial
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- ./ConditionState
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- ../slots/has_or_had_condition # was: condition_description - migrated per Rule 53 (2026-01-18)
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- ./Condition
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- ./Description
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- ../slots/has_or_had_description
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- ../slots/conservation_note
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- ../slots/conservator
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- ../slots/conservator_affiliation
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- ../slots/cost
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- ../slots/cost_currency
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- ../slots/has_or_had_custodian_type
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- ../slots/has_or_had_environmental_condition
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- ../slots/has_or_had_examination_method
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- ../slots/materials_used
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- ../slots/photograph
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- ../slots/recommendation
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- ../slots/record_date
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- ../slots/record_id
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- ../slots/record_timespan
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- ../slots/related_loan
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- ../slots/report_document
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- ../slots/report_url
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- ../slots/specificity_annotation
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- ../slots/uses_or_used_technique # was: techniques_used - migrated per Rule 53/56 (2026-01-16)
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- ./Technique
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- ./TechniqueType
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- ./TechniqueTypes
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- ../slots/has_or_had_score # was: template_specificity - migrated per Rule 53 (2026-01-17)
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- ../slots/has_or_had_treatment # was: treatment_description - migrated per Rule 53
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- ../slots/has_or_had_type
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- ./SpecificityAnnotation
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- ./TemplateSpecificityScore # was: TemplateSpecificityScores - migrated per Rule 53 (2026-01-17)
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- ./TemplateSpecificityType
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- ./TemplateSpecificityTypes
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- ./TreatmentType
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- ./Treatment # for has_or_had_treatment range
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default_prefix: hc
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classes:
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ConservationRecord:
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class_uri: crm:E14_Condition_Assessment
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description: "A record of condition assessment, conservation treatment, or technical examination\nperformed on a heritage\
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\ object.\n\nModels THREE types of conservation documentation:\n\n1. **Condition Assessment**: Periodic evaluation of\
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\ object state\n2. **Treatment Record**: Documentation of conservation intervention\n3. **Technical Examination**: Scientific\
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\ analysis (imaging, spectroscopy)\n\n**Key Distinction**:\n\n| Concept | Class | Description |\n|---------|-------|-------------|\n\
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| Object metadata | ExhibitedObject | Basic object information |\n| Ownership history | ProvenanceEvent | Custody transfers\
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\ |\n| **Physical state/treatment** | **ConservationRecord** | **Condition and conservation** |\n| Loan documentation\
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\ | Loan | Custody for loans |\n\n- **CIDOC-CRM**: crm:E14_Condition_Assessment (for assessments)\n \"The activity\
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\ of assessing the condition of an object.\"\n- **CIDOC-CRM**: crm:E11_Modification (for treatments)\n \"The action\
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\ of modifying physical features of an object.\"\n- **Schema.org**: schema:HowTo (treatment procedures)\n\n**SPECTRUM\
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\ Alignment**:\n\nAligns with SPECTRUM procedures:\n- Object Condition Checking\n- Conservation and Collection Care\n\
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- Risk Management\n\n**Example**:\n\n1994 restoration of \"Girl with a Pearl Earring\":\n- record_type: TREATMENT\n\
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- condition_before: FAIR (yellowed varnish, dirt)\n- condition_after: EXCELLENT\n- treatment_description: Cleaning,\
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\ varnish removal, retouching\n- conservator: Dr. Jørgen Wadum\n"
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exact_mappings:
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- crm:E14_Condition_Assessment
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close_mappings:
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- crm:E11_Modification
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- aat:300054795
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- aat:300054796
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related_mappings:
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- schema:HowTo
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- crm:E7_Activity
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slots:
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# MIGRATED 2026-01-22: condition_after → final_of_the_final + ConditionState (Rule 53)
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- final_of_the_final
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# MIGRATED 2026-01-22: condition_before → initial_of_the_initial + ConditionState (Rule 53)
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- initial_of_the_initial
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- has_or_had_condition # was: condition_description - migrated per Rule 53 (2026-01-18)
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- conservation_lab
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- conservation_note
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- conservator
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- conservator_affiliation
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- cost
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- cost_currency
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- has_or_had_custodian_type
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- has_or_had_environmental_condition
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- has_or_had_examination_method
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- indicates_or_indicated # was: follow_up_date - migrated per Rule 53 (2026-01-26)
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- funding_source
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- materials_used
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- object_ref
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- photograph
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- recommendation
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- record_date
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- record_id
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- record_timespan
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- record_type
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- related_loan
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- report_document
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- report_url
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- specificity_annotation
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- uses_or_used_technique # was: techniques_used - migrated per Rule 53/56 (2026-01-16)
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- has_or_had_score # was: template_specificity - migrated per Rule 53 (2026-01-17)
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- has_or_had_treatment # was: treatment_description - migrated per Rule 53
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- has_or_had_type
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slot_usage:
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record_id:
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identifier: true
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required: true
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range: uriorcurie
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examples:
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- value: https://nde.nl/ontology/hc/conservation/mauritshuis-670-1994-001
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- value: https://nde.nl/ontology/hc/conservation/rijksmuseum-sk-c-5-2019-001
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object_ref:
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required: true
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range: uriorcurie
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inlined: false
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examples:
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- value: https://nde.nl/ontology/hc/object/mauritshuis-girl-pearl-earring
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record_type:
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required: true
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range: string
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examples:
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- value: TREATMENT
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- value: CONDITION_ASSESSMENT
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- value: EXAMINATION
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record_date:
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required: false
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range: date
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examples:
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- value: '1994-06-15'
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record_timespan:
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required: false
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range: TimeSpan
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inlined: true
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examples:
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- value:
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begin_of_the_begin: '1994-03-01'
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end_of_the_end: '1994-09-30'
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description: Six-month restoration project
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# MIGRATED 2026-01-22: condition_before → initial_of_the_initial + ConditionState (Rule 53)
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initial_of_the_initial:
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required: false
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range: ConditionState
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inlined: true
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description: |
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Condition state BEFORE treatment/intervention using structured ConditionState class.
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MIGRATED from condition_before (ConservationStatusEnum) per slot_fixes.yaml (Rule 53, 2026-01-22).
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examples:
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- value:
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has_or_had_type: FairCondition
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has_or_had_description:
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description_text: "Yellowed varnish, surface dirt"
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description: Pre-treatment condition state
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# MIGRATED 2026-01-22: condition_after → final_of_the_final + ConditionState (Rule 53)
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final_of_the_final:
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required: false
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range: ConditionState
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inlined: true
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description: |
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Condition state AFTER treatment/intervention using structured ConditionState class.
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MIGRATED from condition_after (ConservationStatusEnum) per slot_fixes.yaml (Rule 53, 2026-01-22).
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examples:
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- value:
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has_or_had_type: ExcellentCondition
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has_or_had_description:
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description_text: "After cleaning and restoration"
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description: Post-treatment condition state
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has_or_had_condition: # was: condition_description - migrated per Rule 53 (2026-01-18)
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required: false
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range: Condition
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multivalued: true
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inlined_as_list: true
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description: |
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Structured condition assessment for this conservation record.
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MIGRATED from condition_description per slot_fixes.yaml (Rule 53, 2026-01-18).
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Uses Condition class with has_or_had_description for textual descriptions.
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examples:
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- value:
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has_or_had_type: FAIR
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has_or_had_description:
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description_text: "The varnish had yellowed significantly, obscuring the delicate tonal gradations. Surface dirt accumulation in lower quadrant. Old retouching visible under UV light in background area. Canvas stable with no active distortions."
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description_type: condition
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description: Condition assessment with structured description
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- value:
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has_or_had_type: GOOD
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has_or_had_description:
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description_text: "Minor surface dirt, varnish slightly yellowed but acceptable."
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description_type: condition
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description: Minor condition issues
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has_or_had_treatment: # was: treatment_description - migrated per Rule 53
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required: false
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range: Treatment
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multivalued: true
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inlined_as_list: true
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description: |
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Structured treatment records for this conservation activity.
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MIGRATED from treatment_description per slot_fixes.yaml (Rule 53, 2026-01-15).
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examples:
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- value:
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treatment_type: CLEANING
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treatment_description: "Removal of discolored natural resin varnish using acetone-based solvent mixture."
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treated_by: "Dr. Jørgen Wadum"
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description: Cleaning treatment with description
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- value:
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treatment_type: RESTORATION
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treatment_description: "Losses in-painted with conservation-grade reversible paints."
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materials_used:
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- "Gamblin conservation colors"
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- "Dammar varnish"
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description: Restoration treatment with materials
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has_or_had_type:
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required: false
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range: TreatmentType
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multivalued: true
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description: |
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The type(s) of conservation treatment applied.
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Uses TreatmentType class hierarchy (CLEANING, RESTORATION, REFRAMING, etc.).
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examples:
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- value: CLEANING
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description: Surface or solvent cleaning
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- value: RESTORATION
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description: Comprehensive restoration
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- value: REFRAMING
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description: Frame replacement or repair
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conservator:
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required: false
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range: string
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multivalued: true
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examples:
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- value: Dr. Jørgen Wadum
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- value: Petria Noble
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conservator_affiliation:
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required: false
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range: string
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examples:
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- value: Mauritshuis Conservation Department
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- value: Hamilton Kerr Institute
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conservation_lab:
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required: false
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range: string
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examples:
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- value: Mauritshuis Conservation Studio, The Hague
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- value: Rijksmuseum Ateliergebouw
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materials_used:
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required: false
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range: string
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multivalued: true
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examples:
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- value: Dammar varnish (Kremer Pigmente)
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- value: Paraloid B-72 consolidant
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- value: Japanese tissue paper
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- value: Gamblin conservation colors
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uses_or_used_technique: # was: techniques_used - migrated per Rule 53/56 (2026-01-16)
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required: false
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range: Technique
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multivalued: true
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inlined_as_list: true
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description: |
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Structured technique records for this conservation activity.
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MIGRATED from techniques_used per slot_fixes.yaml (Rule 53/56, 2026-01-16).
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examples:
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- value:
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has_or_had_type: SolventCleaning
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has_or_had_label: "Varnish removal with acetone/white spirit mixture"
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has_or_had_description: "Removal of discolored varnish using 50:50 acetone/white spirit"
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description: Solvent cleaning technique
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- value:
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has_or_had_type: TratteggioInpainting
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has_or_had_label: "Tratteggio inpainting of losses"
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has_or_had_description: "Losses in-painted with fine parallel brushstrokes"
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description: Tratteggio inpainting technique
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- value:
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has_or_had_type: VacuumLining
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has_or_had_label: "Vacuum hot table lining"
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has_or_had_description: "Canvas lined using vacuum table with BEVA 371 adhesive"
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description: Vacuum lining technique
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has_or_had_examination_method:
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required: false
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range: string
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multivalued: true
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examples:
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- value: X-RADIOGRAPHY
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- value: INFRARED_REFLECTOGRAPHY
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- value: UV_FLUORESCENCE
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- value: MACRO_PHOTOGRAPHY
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has_or_had_environmental_condition:
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required: false
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range: string
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examples:
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- value: Treatment performed at 21°C, 50% RH. Object stable in current conditions.
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- value: 'Recommended: 45-55% RH, 18-22°C, max 50 lux'
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photograph:
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required: false
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range: uri
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multivalued: true
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examples:
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- value: https://mauritshuis.nl/conservation/670/before-treatment-1994.jpg
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- value: https://mauritshuis.nl/conservation/670/during-cleaning-1994.jpg
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- value: https://mauritshuis.nl/conservation/670/after-treatment-1994.jpg
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report_url:
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required: false
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range: uri
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examples:
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- value: https://mauritshuis.nl/conservation/reports/670-1994-restoration.pdf
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report_document:
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required: false
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range: string
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examples:
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- value: "Wadum, Jørgen. \"Vermeer Illuminated: The Restoration of \nGirl with a Pearl Earring.\" Burlington Magazine\
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\ 137, \nno. 1103 (1995): 90-95.\n"
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recommendation:
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required: false
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range: string
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multivalued: true
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examples:
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- value: Re-examine varnish layer in 25 years
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- value: Display in climate-controlled case only
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- value: Limit light exposure to 50 lux maximum
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- value: Handle with cotton gloves; fragile frame corners
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# follow_up_date:
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# required: false
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# range: date
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# examples:
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# - value: '2019-06-15'
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# description: 25-year review recommended
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indicates_or_indicated: # was: follow_up_date - migrated per Rule 53 (2026-01-26)
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description: |
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Indicates a future review or assessment.
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MIGRATED from follow_up_date per Rule 53.
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Uses ConservationReview class with temporal_extent.
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range: ConservationReview
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inlined: true
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required: false
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examples:
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- value:
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temporal_extent:
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begin_of_the_begin: "2019-01-01"
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has_or_had_label: "25-year follow-up from 1994 restoration"
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description: Follow-up inspection date
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related_loan:
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required: false
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range: uriorcurie
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inlined: false
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examples:
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- value: https://nde.nl/ontology/hc/loan/mauritshuis-rijksmuseum-2023-001
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cost:
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required: false
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range: decimal
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examples:
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- value: 150000
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description: €150,000 for major restoration
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cost_currency:
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required: false
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range: string
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examples:
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- value: EUR
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- value: USD
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receives_or_received: # was: funding_source - migrated per Rule 53 (2026-01-26)
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description: |
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Funding source(s) for the conservation work.
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MIGRATED from funding_source per Rule 53.
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Uses frapo:isFundedBy via receives_or_received slot and FundingSource class.
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range: FundingSource
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inlined: true
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inlined_as_list: true
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multivalued: true
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required: false
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examples:
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- value:
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has_or_had_label: "Mondriaan Fund"
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description: External grant funding
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- value:
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has_or_had_label: "Getty Foundation"
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description: Foundation grant
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- value:
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has_or_had_label: "Bank Giro Loterij"
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description: Lottery funding
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conservation_note:
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required: false
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range: string
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multivalued: true
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examples:
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- value: Treatment coincided with preparation for 1995 exhibition
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- value: Discovery of Vermeer's signature during cleaning
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has_or_had_custodian_type:
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equals_expression: '["hc:GalleryType", "hc:MuseumType", "hc:ArchiveOrganizationType", "hc:LibraryType", "hc:ResearchOrganizationType",
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"hc:HolySacredSiteType", "hc:BioCustodianType"]'
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comments:
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- ConservationRecord documents condition assessments, treatments, and examinations
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- Links to ExhibitedObject via object_ref relationship
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- Uses ConservationStatusEnum for condition_before and condition_after
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- Uses CIDOC-CRM E14_Condition_Assessment as primary mapping
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- Aligns with SPECTRUM Object Condition Checking procedure
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- Supports both institutional and external conservation documentation
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see_also:
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- https://cidoc-crm.org/html/cidoc_crm_v7.1.3.html#E14
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- https://cidoc-crm.org/html/cidoc_crm_v7.1.3.html#E11
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- https://collectionstrust.org.uk/spectrum/
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- https://www.culturalheritage.org/
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examples:
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- value:
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record_id: https://nde.nl/ontology/hc/conservation/mauritshuis-670-1994-001
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object_ref: https://nde.nl/ontology/hc/object/mauritshuis-girl-pearl-earring
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record_type: TREATMENT
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record_timespan:
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begin_of_the_begin: '1994-03-01'
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end_of_the_end: '1994-09-30'
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# MIGRATED 2026-01-22: condition_before → initial_of_the_initial + ConditionState
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initial_of_the_initial:
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has_or_had_type: FairCondition
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has_or_had_description:
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description_text: "Yellowed varnish, surface dirt, old restorations visible"
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# MIGRATED 2026-01-22: condition_after → final_of_the_final + ConditionState
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final_of_the_final:
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has_or_had_type: ExcellentCondition
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has_or_had_description:
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description_text: "After cleaning and restoration - colors vibrant, original tones restored"
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has_or_had_condition: # was: condition_description - migrated per Rule 53 (2026-01-18)
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- has_or_had_type: FAIR
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has_or_had_description:
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description_text: "The painting's varnish had yellowed significantly over time, obscuring the delicate tonal gradations that are characteristic of Vermeer's technique. Surface dirt had accumulated, particularly in the lower portion. Previous restorations from the early 20th century were visible under UV examination."
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description_type: condition
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has_or_had_treatment: # was: treatment_description - migrated per Rule 53
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- treatment_type: RESTORATION
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treatment_description: "Comprehensive restoration including: removal of discolored varnish \nusing carefully calibrated\
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\ solvent mixtures; cleaning of accumulated \nsurface grime; removal of disfiguring old retouches; consolidation\
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\ \nof minor paint losses; minimal inpainting using reversible materials; \napplication of new protective varnish.\n"
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treated_by: Dr. Jørgen Wadum
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has_or_had_type:
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|
- CLEANING
|
|
- RESTORATION
|
|
conservator:
|
|
- Dr. Jørgen Wadum
|
|
conservator_affiliation: Mauritshuis Conservation Department
|
|
conservation_lab: Mauritshuis Conservation Studio, The Hague
|
|
materials_used:
|
|
- Shellsol A solvent
|
|
- Dammar varnish (Kremer)
|
|
- Gamblin conservation colors
|
|
uses_or_used_technique: # was: techniques_used - migrated per Rule 53/56 (2026-01-16)
|
|
- has_or_had_type: SolventCleaning
|
|
has_or_had_label: "Solvent cleaning"
|
|
has_or_had_description: "Removal of varnish with acetone/white spirit mixture"
|
|
- has_or_had_type: TratteggioInpainting
|
|
has_or_had_label: "Tratteggio inpainting"
|
|
has_or_had_description: "Losses in-painted using fine parallel brushstrokes"
|
|
has_or_had_examination_method:
|
|
- X-RADIOGRAPHY
|
|
- INFRARED_REFLECTOGRAPHY
|
|
- UV_FLUORESCENCE
|
|
- MACRO_PHOTOGRAPHY
|
|
photograph:
|
|
- https://mauritshuis.nl/conservation/670/before-1994.jpg
|
|
- https://mauritshuis.nl/conservation/670/during-1994.jpg
|
|
- https://mauritshuis.nl/conservation/670/after-1994.jpg
|
|
report_document: "Wadum, Jørgen. \"Vermeer Illuminated: Conservation, Restoration and \nResearch.\" The Hague: Mauritshuis,\
|
|
\ 1995.\n"
|
|
recommendation:
|
|
- Re-examine varnish layer in 25 years (c. 2019)
|
|
- Maintain 45-55% relative humidity
|
|
- Maximum 50 lux illumination
|
|
indicates_or_indicated: # was: follow_up_date (2026-01-26)
|
|
temporal_extent:
|
|
begin_of_the_begin: '2019-01-01'
|
|
conservation_note:
|
|
- Vermeer's monogram 'IVMeer' discovered during cleaning
|
|
- Treatment documented in Burlington Magazine (1995)
|
|
description: 1994 restoration of Girl with a Pearl Earring
|
|
- value:
|
|
record_id: https://nde.nl/ontology/hc/conservation/mauritshuis-670-2023-001
|
|
object_ref: https://nde.nl/ontology/hc/object/mauritshuis-girl-pearl-earring
|
|
record_type: LOAN_CONDITION_CHECK
|
|
record_date: '2023-02-09'
|
|
# MIGRATED 2026-01-22: condition_before → initial_of_the_initial + ConditionState
|
|
initial_of_the_initial:
|
|
has_or_had_type: ExcellentCondition
|
|
has_or_had_description:
|
|
description_text: "Pre-loan condition excellent, painting stable"
|
|
has_or_had_condition: # was: condition_description - migrated per Rule 53 (2026-01-18)
|
|
- has_or_had_type: EXCELLENT
|
|
has_or_had_description:
|
|
description_text: "Pre-loan condition check for Vermeer 2023 exhibition at Rijksmuseum. Painting in excellent stable condition. No changes from previous examination. Surface clean, varnish clear, frame secure."
|
|
description_type: condition
|
|
related_loan: https://nde.nl/ontology/hc/loan/mauritshuis-rijksmuseum-2023-001
|
|
conservator:
|
|
- Abbie Vandivere
|
|
has_or_had_examination_method:
|
|
- RAKING_LIGHT
|
|
- UV_FLUORESCENCE
|
|
recommendation:
|
|
- Cleared for loan
|
|
- Courier required for transport
|
|
- Climate case recommended
|
|
description: Pre-loan condition check for Vermeer 2023
|
|
- value:
|
|
record_id: https://nde.nl/ontology/hc/conservation/rijksmuseum-sk-c-5-2019-001
|
|
object_ref: https://nde.nl/ontology/hc/object/rijksmuseum-night-watch
|
|
record_type: EXAMINATION
|
|
record_date: '2019-07-08'
|
|
# MIGRATED 2026-01-22: condition_before → initial_of_the_initial + ConditionState
|
|
initial_of_the_initial:
|
|
has_or_had_type: GoodCondition
|
|
has_or_had_description:
|
|
description_text: "Good condition with historical damage from 1715 trimming and 1911/1975 attacks"
|
|
has_or_had_condition: # was: condition_description - migrated per Rule 53 (2026-01-18)
|
|
- has_or_had_type: GOOD
|
|
has_or_had_description:
|
|
description_text: "Comprehensive technical examination as part of Operation Night Watch. Canvas shows historical damage from 1715 trimming and 1911/1975 attacks. Paint layer stable with localized losses. Varnish slightly yellowed."
|
|
description_type: condition
|
|
has_or_had_examination_method:
|
|
- X-RADIOGRAPHY
|
|
- MACRO_XRF_SCANNING
|
|
- INFRARED_REFLECTOGRAPHY
|
|
- 3D_SCANNING
|
|
- MACRO_PHOTOGRAPHY
|
|
conservator:
|
|
- Petria Noble
|
|
- Robert Erdmann
|
|
conservator_affiliation: Rijksmuseum Conservation Department
|
|
report_url: https://www.rijksmuseum.nl/en/stories/operation-night-watch
|
|
conservation_note:
|
|
- Part of multi-year Operation Night Watch project
|
|
- Largest and most detailed examination ever of this painting
|
|
- Live-streamed to public
|
|
description: Operation Night Watch technical examination
|