6bb8ac20ba
- Introduced MainPart class to represent principal portions with quantified values, including attributes for part type and currency code. - Added OutputData class to specify output characteristics from devices/services, including format, description, and destination URL. - Created canonical_value, capacity, capacity_type, and capacity_value slots for enhanced data representation. - Archived and migrated various slots related to data sensitivity, dataset descriptions, and titles to align with new structures. - Implemented has_or_had_caption and has_or_had_main_part slots to support media accessibility and primary portion representation. - Enhanced data license policy slot to define custodian data licensing and openness policies.
99 lines
3.3 KiB
YAML
99 lines
3.3 KiB
YAML
id: https://nde.nl/ontology/hc/class/CanonicalForm
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name: canonical_form_class
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title: Canonical Form 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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skos: http://www.w3.org/2004/02/skos/core#
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schema: http://schema.org/
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dcterms: http://purl.org/dc/terms/
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imports:
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- linkml:types
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- ../slots/has_or_had_label
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- ./Label
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default_prefix: hc
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classes:
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CanonicalForm:
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class_uri: skos:Concept
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description: >-
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Represents the canonical/normalized form of an identifier or value.
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**PURPOSE**:
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While original values may vary in format (spaces, prefixes, case),
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CanonicalForm provides a standardized representation for:
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- Consistent storage
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- Deduplication and matching
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- Database joins and lookups
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- Cross-system interoperability
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**NORMALIZATION RULES BY STANDARD**:
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| Standard | Original | Canonical |
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|----------|----------|-----------|
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| ISNI | "0000 0001 2146 5765" | "0000000121465765" |
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| Wikidata | "http://wikidata.org/entity/Q190804" | "Q190804" |
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| VIAF | "viaf.org/viaf/148691498" | "148691498" |
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| DOI | "https://doi.org/10.1234/Ex" | "10.1234/ex" |
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| ISIL | "NL-AmRMA" | "NL-AmRMA" (already canonical) |
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**ONTOLOGY ALIGNMENT**:
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| Ontology | Mapping | Rationale |
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|----------|---------|-----------|
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| SKOS | skos:Concept | Conceptual representation |
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| Schema.org | schema:PropertyValue | Name-value pair |
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MIGRATED 2026-01-22: Created per slot_fixes.yaml feedback to replace
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simple canonical_value string with structured class.
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exact_mappings:
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- skos:Concept
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close_mappings:
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- schema:PropertyValue
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slots:
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- has_or_had_label
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slot_usage:
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has_or_had_label:
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range: Label
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required: true
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inlined: true
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description: >-
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The canonical/normalized value as a Label.
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Label.has_or_had_text contains the actual normalized string.
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attributes:
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normalization_rule:
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range: string
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required: false
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description: >-
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The rule or standard used to normalize this value.
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E.g., "ISNI_REMOVE_SPACES", "WIKIDATA_EXTRACT_QID", "DOI_LOWERCASE"
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source_format:
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range: string
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required: false
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description: >-
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The original format/scheme before normalization.
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E.g., "ISNI_DISPLAY", "WIKIDATA_URI", "DOI_URL"
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examples:
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- value:
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has_or_had_label:
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has_or_had_text: "0000000121465765"
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normalization_rule: "ISNI_REMOVE_SPACES"
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source_format: "ISNI_DISPLAY"
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description: ISNI canonical form (spaces removed)
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- value:
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has_or_had_label:
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has_or_had_text: "Q190804"
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normalization_rule: "WIKIDATA_EXTRACT_QID"
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source_format: "WIKIDATA_URI"
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description: Wikidata canonical form (Q-number extracted)
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- value:
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has_or_had_label:
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has_or_had_text: "10.1234/example"
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normalization_rule: "DOI_LOWERCASE_NO_PREFIX"
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source_format: "DOI_URL"
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description: DOI canonical form (lowercase, no resolver prefix)
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annotations:
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specificity_score: 0.30
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specificity_rationale: >-
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Canonical forms are relevant for identifier lookup across all heritage sectors.
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