108 lines
4.6 KiB
YAML
108 lines
4.6 KiB
YAML
id: https://nde.nl/ontology/hc/class/Acquisition
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name: acquisition_class
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title: Acquisition 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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crm: http://www.cidoc-crm.org/cidoc-crm/
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prov: http://www.w3.org/ns/prov#
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schema: http://schema.org/
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dwc: http://rs.tdwg.org/dwc/terms/
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rico: https://www.ica.org/standards/RiC/ontology#
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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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rdfs: http://www.w3.org/2000/01/rdf-schema#
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org: http://www.w3.org/ns/org#
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xsd: http://www.w3.org/2001/XMLSchema#
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imports:
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- linkml:types
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- ../slots/has_score
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- ../slots/temporal_extent
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# default_range: string
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enums:
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AcquisitionMethodEnum:
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description: Methods by which items are acquired for collections.
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permissible_values:
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FIELD_COLLECTION:
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description: Collected in the field (biological, geological specimens)
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meaning: dwc:Occurrence
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PURCHASE:
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description: Acquired through purchase
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meaning: schema:BuyAction
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DONATION:
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description: Given as a gift or donation
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meaning: schema:DonateAction
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BEQUEST:
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description: Received through will or estate
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TRANSFER:
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description: Transferred from another institution
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meaning: crm:E10_Transfer_of_Custody
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EXCHANGE:
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description: Exchanged with another institution (specimen exchange)
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EXCAVATION:
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description: Recovered through archaeological excavation
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LOAN:
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description: On long-term loan (not owned)
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CONFISCATION:
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description: Seized or confiscated (legal action)
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FOUND:
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description: Found object (no prior owner)
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COMMISSION:
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description: Commissioned work (created for the collection)
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UNKNOWN:
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description: Acquisition method unknown
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classes:
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Acquisition:
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class_uri: crm:E8_Acquisition
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description: 'Represents an acquisition event - how and when an object or specimen
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was obtained for a collection.
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CIDOC-CRM E8 Acquisition models the transfer of legal ownership rights.
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**Key properties**: - `temporal_extent`: When the acquisition occurred (TimeSpan
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with fuzzy boundaries for historical items) - `acquisition_method`: How the
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item was acquired (field collection, purchase, donation, etc.) - `acquisition_source`:
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From whom/where acquired (collector, dealer, previous owner, field location)
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- `acquisition_agent`: Who performed the acquisition (collector, curator, institution)
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**Darwin Core alignment**: For biological specimens: - `temporal_extent` replaces
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`dwc:eventDate` (collection date) - `acquisition_source` can capture `dwc:locality`
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and `dwc:recordedBy`
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**Use cases**: - Museum object provenance (purchase from dealer, 1923) - Biological
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specimen collection (field collection, Amazon basin, 1750s) - Archival transfer
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(transferred from ministry archives, 2001) - Art donation (donated by artist''s
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estate, 2015)'
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exact_mappings:
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- crm:E8_Acquisition
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close_mappings:
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- prov:Activity
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- schema:AcquireAction
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related_mappings:
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- rico:Event
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- dwc:Event
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slots:
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- temporal_extent
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- has_score
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comments:
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- Created per slot_fixes.yaml revision for collection_date migration
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- Replaces simple collection_date string with structured acquisition event
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- 'RULE 53: Part of collection_date → was_acquired_through + Acquisition migration'
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annotations:
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specificity_score: 0.7
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specificity_rationale: Fairly specific - applies to items with acquisition provenance
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custodian_types: '[''*'']'
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examples:
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- value: "# Biological specimen collected in the field\nacquisition_method: FIELD_COLLECTION\n\
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temporal_extent:\n begin_of_the_begin: \"1750-01-01\"\n end_of_the_end:\
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\ \"1759-12-31\"\n notes: \"Collected sometime in the 1750s\"\nacquisition_source:\
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\ \"Amazon basin, Brazil\"\nacquisition_agent: \"Unknown Dutch collector\"\
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\nacquisition_date_text: \"1750s\"\n"
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- value: "# Museum object purchased from dealer\nacquisition_method: PURCHASE\n\
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temporal_extent:\n begin_of_the_begin: \"1923-03-15\"\n end_of_the_end:\
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\ \"1923-03-15\"\nacquisition_source: \"Sotheby's London\"\nacquisition_reference:\
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\ \"Lot 245, Sale of March 1923\"\n"
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- value: "# Historical specimen with uncertain date\nacquisition_method: FIELD_COLLECTION\n\
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temporal_extent:\n begin_of_the_begin: \"1600-01-01\"\n end_of_the_end:\
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\ \"1662-12-31\"\n notes: \"Pre-1662 (before Great Fire of London)\"\nacquisition_date_text:\
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\ \"pre-1662\"\n"
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