6da794ee38
- Added `has_or_had_place_of_birth` slot to capture structured birth place information with historical context. - Introduced `has_or_had_quantity` slot for capturing quantified values with units and provenance. - Created `has_or_had_service_area` slot to define geographic service areas for heritage custodians. - Implemented `is_or_was_approximate` slot to indicate uncertainty in values (dates, quantities). - Added `is_or_was_asserted_by` slot to track the agent responsible for assertions. - Introduced `Asserter` class to model agents making assertions, including types like human, automated, and AI. - Created `Quantity` class to represent quantified values with optional units and types. - Added enums for `AsserterTypeEnum` and `QuantityTypeEnum` to standardize types of asserters and quantities. - Archived outdated slots and replaced them with new structured alternatives following RiC-O conventions.
217 lines
7.2 KiB
YAML
217 lines
7.2 KiB
YAML
id: https://nde.nl/ontology/hc/class/BirthDate
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name: birth_date_class
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title: Birth Date 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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time: http://www.w3.org/2006/time#
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pico: https://personsincontext.org/model#
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dcterms: http://purl.org/dc/terms/
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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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- ../metadata
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- ../slots/specificity_annotation
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- ../slots/template_specificity
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- ./SpecificityAnnotation
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- ./TemplateSpecificityScores
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default_prefix: hc
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classes:
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BirthDate:
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class_uri: schema:Date
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description: >-
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Structured representation of a person's birth date with support for
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uncertainty, incomplete dates, and provenance tracking.
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**PURPOSE**:
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BirthDate replaces simple string birth_date slots to provide:
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- EDTF (Extended Date/Time Format) support for uncertain/incomplete dates
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- Provenance tracking for inferred dates (Rule 45)
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- Confidence scoring
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- Source preservation (original format from documents)
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**EDTF NOTATION** (Rule 44):
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| Pattern | Meaning | Example |
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|---------|---------|---------|
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| `YYYY` | Year only | `1970` |
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| `YYYY-MM` | Year and month | `1970-08` |
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| `YYYY-MM-DD` | Full date | `1970-08-15` |
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| `YYYX` | Decade | `197X` (1970s) |
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| `YYXX` | Century | `19XX` (1900s) |
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| `YYYY~` | Approximate | `1985~` (circa 1985) |
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| `YYYY?` | Uncertain | `1985?` (possibly 1985) |
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| `XXXX` | Unknown | Must have search provenance |
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**INFERRED DATA** (Rule 45):
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When birth date is inferred (e.g., from earliest education date):
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- Store in `inferred_birth_date` with full inference chain
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- Set `is_inferred: true`
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- Document inference method and sources
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**ONTOLOGY ALIGNMENT**:
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| Ontology | Mapping | Usage |
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|----------|---------|-------|
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| **Schema.org** | `schema:Date` | Primary class |
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| **CIDOC-CRM** | `crm:E52_Time-Span` | Temporal extent |
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| **PiCo** | Birth date observation | Source fidelity |
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| **TIME** | `time:Instant` | Point in time |
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**EXAMPLE**:
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```yaml
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has_or_had_date_of_birth:
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birth_edtf: "1970-08-15"
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birth_iso_date: "1970-08-15"
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is_inferred: false
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confidence: high
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```
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exact_mappings:
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- schema:Date
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close_mappings:
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- crm:E52_Time-Span
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- time:Instant
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related_mappings:
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- pico:PersonObservation
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slots:
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- birth_edtf
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- birth_iso_date
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- birth_source_text
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- is_inferred
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- inference_provenance
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- confidence
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- specificity_annotation
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- template_specificity
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slot_usage:
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birth_edtf:
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range: string
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required: true
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description: >-
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Birth date in EDTF notation (Extended Date/Time Format).
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Supports incomplete dates, uncertainty, and approximation.
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examples:
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- value: "1970-08-15"
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description: Full date known
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- value: "1970-08"
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description: Year and month known
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- value: "1970"
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description: Only year known
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- value: "197X"
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description: Decade known (1970s)
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- value: "1970~"
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description: Approximate (circa 1970)
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- value: "XXXX"
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description: Unknown (requires search provenance)
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birth_iso_date:
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range: date
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required: false
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description: >-
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Birth date as ISO 8601 date (YYYY-MM-DD) when full date is known.
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Optional - use birth_edtf for partial/uncertain dates.
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examples:
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- value: "1970-08-15"
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birth_source_text:
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range: string
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required: false
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description: >-
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Original date text from source document, preserved verbatim.
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Useful for archival/historical sources with non-standard notation.
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examples:
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- value: "born in the year of our Lord 1823"
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- value: "ca. 1750"
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- value: "late 18th century"
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is_inferred:
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range: boolean
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required: false
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ifabsent: "false"
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description: >-
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Whether this birth date was inferred (vs. directly extracted).
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If true, inference_provenance MUST be provided per Rule 45.
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inference_provenance:
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range: string
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required: false
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description: >-
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JSON string documenting inference chain per Rule 45.
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Required when is_inferred is true.
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examples:
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- value: '{"method": "earliest_education_heuristic", "inference_chain": [...]}'
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confidence:
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range: BirthDateConfidenceEnum
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required: false
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description: >-
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Confidence level in the birth date value.
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comments:
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- "Replaces simple birth_date string slot (Rule 53)"
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- "EDTF notation enables uncertain/incomplete date representation"
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- "Inference provenance required when is_inferred=true (Rule 45)"
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- "Source text preservation supports archival/historical research"
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see_also:
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- https://www.loc.gov/standards/datetime/
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- https://schema.org/birthDate
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examples:
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- value:
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birth_edtf: "1970-08-15"
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birth_iso_date: "1970-08-15"
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is_inferred: false
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confidence: HIGH
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description: Full date known with high confidence
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- value:
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birth_edtf: "197X"
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is_inferred: true
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inference_provenance: '{"method": "earliest_education_heuristic", "source_field": "education[0].start_year"}'
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confidence: LOW
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description: Decade inferred from education start year
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- value:
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birth_edtf: "1823"
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birth_source_text: "born in the year of our Lord 1823"
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is_inferred: false
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confidence: MEDIUM
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description: Year extracted from historical document
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annotations:
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specificity_score: 0.45
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specificity_rationale: >-
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Birth dates are relevant for person research across all heritage sectors.
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slots:
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birth_edtf:
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description: Birth date in EDTF notation.
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range: string
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slot_uri: dcterms:date
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birth_iso_date:
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description: Birth date as ISO 8601 date when full date is known.
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range: date
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slot_uri: schema:birthDate
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birth_source_text:
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description: Original date text from source document.
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range: string
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slot_uri: hc:sourceText
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is_inferred:
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description: Whether this date was inferred.
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range: boolean
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slot_uri: hc:isInferred
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inference_provenance:
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description: JSON documenting inference chain.
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range: string
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slot_uri: hc:inferenceProvenance
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confidence:
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description: Confidence level in the date value.
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range: string
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slot_uri: hc:confidence
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enums:
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BirthDateConfidenceEnum:
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description: Confidence levels for birth date values.
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permissible_values:
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HIGH:
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description: Full date from authoritative source (e.g., birth certificate)
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MEDIUM:
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description: Date from reliable source (e.g., official biography)
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LOW:
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description: Date inferred or from uncertain source
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VERY_LOW:
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description: Decade/century estimated from indirect evidence
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