id: https://nde.nl/ontology/hc/class/BirthDate name: birth_date_class title: Birth Date Class prefixes: linkml: https://w3id.org/linkml/ hc: https://nde.nl/ontology/hc/ schema: http://schema.org/ crm: http://www.cidoc-crm.org/cidoc-crm/ time: http://www.w3.org/2006/time# pico: https://personsincontext.org/model# dcterms: http://purl.org/dc/terms/ xsd: http://www.w3.org/2001/XMLSchema# imports: - linkml:types - ../metadata - ../slots/has_reference - ../slots/has_score - ../slots/has_provenance - ../slots/inferred_by - ../slots/generated_by - ../slots/temporal_extent default_prefix: hc classes: BirthDate: class_uri: schema:Date description: >- Structured representation of when a person was born with support for uncertainty, incomplete dates, EDTF notation, and provenance tracking. alt_descriptions: nl: >- Gestructureerde weergave van wanneer een persoon geboren is met ondersteuning voor onzekerheid, onvolledige data, EDTF-notatie en herkomsttracking. de: >- Strukturierte Darstellung der Geburtszeit einer Person mit Unterstützung für Unsicherheit, unvollständige Daten, EDTF-Notation und Provenienz-Tracking. fr: >- Représentation structurée de la date de naissance d'une personne avec support pour l'incertitude, dates incomplètes, notation EDTF et suivi de provenance. es: >- Representación estructurada de cuándo nació una persona con soporte para incertidumbre, fechas incompletas, notación EDTF y seguimiento de procedencia. ar: >- تمثيل منظم لموعد ميلاد الشخص مع دعم عدم اليقين والتواريخ غير المكتاملة وترميز EDTF وتتبع المصدر. id: >- Representasi terstruktur kapan seseorang lahir dengan dukungan ketidakpastian, tanggal tidak lengkap, notasi EDTF, dan pelacakan asal-usul. zh: >- 人员出生时间的结构化表示，支持不确定性、不完整日期、EDTF表示法和来源跟踪。 exact_mappings: - schema:Date close_mappings: - crm:E52_Time-Span - time:Instant related_mappings: - pico:PersonObservation slots: - has_reference - inferred_by - has_provenance - generated_by - has_score - temporal_extent slot_usage: has_reference: range: Reference required: false inlined: true multivalued: true description: >- Source reference for the information. MIGRATED 2026-01-22: Replaces birth_source_text with structured Reference. Reference.citation_text preserves original verbatim source text. examples: - value: source_type: parish_register - value: source_type: biography inferred_by: range: boolean required: false ifabsent: 'false' has_provenance: required: false examples: - value: '{"method": "earliest_education_heuristic", "inference_chain": [...]}' generated_by: range: GenerationEvent required: false inlined: true description: >- Generation event containing confidence score. MIGRATED 2026-01-19: Replaces confidence slot with structured pattern. examples: - value: has_score: has_score: 0.95 has_method: document_extraction - value: has_score: has_score: 0.5 has_method: education_inference has_description: Inferred from education start year temporal_extent: range: TimeSpan required: true inlined: true description: >- CIDOC-CRM TimeSpan representation with EDTF notation preservation. MIGRATED 2026-01-22: Replaces birth_edtf and birth_iso_date per slot_fixes.yaml feedback. examples: - value: has_notation: '1970-08-15' begin_of_the_begin: '1970-08-15T00:00:00Z' end_of_the_end: '1970-08-15T23:59:59Z' - value: has_notation: 197X begin_of_the_begin: '1970-01-01T00:00:00Z' end_of_the_end: '1979-12-31T23:59:59Z' - value: has_notation: 1970~ begin_of_the_begin: '1968-01-01T00:00:00Z' end_of_the_end: '1972-12-31T23:59:59Z' comments: - "MIGRATED 2026-01-22: birth_edtf, birth_iso_date → temporal_extent.has_notation" - TimeSpan provides CIDOC-CRM E52 temporal bounds with EDTF notation preservation - Inference provenance required when is_inferred=true (Rule 45) - "Source text preserved via has_reference → Reference" see_also: - https://www.loc.gov/standards/datetime/ - https://schema.org/birthDate examples: - value: temporal_extent: has_notation: '1970-08-15' begin_of_the_begin: '1970-08-15T00:00:00Z' end_of_the_end: '1970-08-15T23:59:59Z' is_inferred: false generated_by: has_score: has_score: 0.95 has_method: birth_certificate_extraction description: Known complete date - value: temporal_extent: has_notation: 197X begin_of_the_begin: '1970-01-01T00:00:00Z' end_of_the_end: '1979-12-31T23:59:59Z' is_inferred: true inference_provenance: '{"method": "earliest_education_heuristic", "source_field": "education[0].start_year"}' generated_by: has_score: has_score: 0.4 has_method: education_inference description: Inferred decade - value: temporal_extent: has_notation: '1823' begin_of_the_begin: '1823-01-01T00:00:00Z' end_of_the_end: '1823-12-31T23:59:59Z' has_reference: - citation_text: born in the year of our Lord 1823 source_type: parish_register is_inferred: false generated_by: has_score: has_score: 0.75 has_method: document_extraction description: Historical source with year only keywords: - birth - date - EDTF - temporal - provenance annotations: specificity_score: 0.45 specificity_rationale: Relevant for person research across all heritage sectors. custodian_types: "['*']" structured_aliases: - literal_form: geboortedatum predicate: EXACT_SYNONYM in_language: nl - literal_form: geboren op predicate: RELATED_SYNONYM in_language: nl - literal_form: Geburtsdatum predicate: EXACT_SYNONYM in_language: de - literal_form: date de naissance predicate: EXACT_SYNONYM in_language: fr - literal_form: fecha de nacimiento predicate: EXACT_SYNONYM in_language: es - literal_form: تاريخ الميلاد predicate: EXACT_SYNONYM in_language: ar - literal_form: tanggal lahir predicate: EXACT_SYNONYM in_language: id - literal_form: 出生日期 predicate: EXACT_SYNONYM in_language: zh enums: BirthDateConfidenceEnum: description: Confidence levels for birth date values. permissible_values: HIGH: MEDIUM: LOW: VERY_LOW: