# TimeInterval - A duration or interval of time # Created per slot_fixes.yaml migration for: update_frequency, typical_approval_time, total_revenue # Creation date: 2026-01-14 id: https://nde.nl/ontology/hc/classes/TimeInterval name: TimeInterval title: TimeInterval prefixes: linkml: https://w3id.org/linkml/ hc: https://nde.nl/ontology/hc/ time: http://www.w3.org/2006/time# schema: http://schema.org/ xsd: http://www.w3.org/2001/XMLSchema# imports: - linkml:types default_range: string classes: TimeInterval: description: >- A duration or interval of time, representing a period rather than a point. **DISTINCTION FROM TimeSpan**: - `TimeSpan` represents a bounded period with begin/end points (CIDOC-CRM E52) - `TimeInterval` represents a duration/interval (e.g., "2 weeks", "quarterly") **USE CASES**: - Update frequency: "updated weekly" - Approval time: "typically 2-3 business days" - Reporting period: "annual revenue for fiscal year" **ONTOLOGY MAPPING**: - class_uri: time:Duration (W3C Time Ontology) - Supports ISO 8601 duration format (P1Y, P2M, P3D, PT4H) class_uri: time:Duration close_mappings: - schema:Duration related_mappings: - time:Interval - time:TemporalDuration attributes: duration_value: range: string description: >- ISO 8601 duration string (e.g., P1Y, P2M, P7D, PT24H). P = period, Y = years, M = months, D = days, T = time separator, H = hours duration_description: range: string description: >- Human-readable description of the duration. Examples: "weekly", "monthly", "annual", "2-3 business days" years: range: integer description: Number of years in the interval. minimum_value: 0 months: range: integer description: Number of months in the interval. minimum_value: 0 days: range: integer description: Number of days in the interval. minimum_value: 0 hours: range: integer description: Number of hours in the interval. minimum_value: 0 minutes: range: integer description: Number of minutes in the interval. minimum_value: 0 annotations: custodian_types: '["*"]' custodian_types_rationale: >- Time intervals applicable to all custodian types for various purposes. custodian_types_primary: "*" specificity_score: 0.25 specificity_rationale: >- Low specificity - universal temporal concept. examples: - value: | TimeInterval: duration_value: "P7D" duration_description: "weekly" description: A one-week interval for update frequency. - value: | TimeInterval: duration_value: "P1Y" duration_description: "annual" description: A one-year interval for revenue reporting. - value: | TimeInterval: days: 3 duration_description: "2-3 business days" description: Typical approval time interval.