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four-types-of-time - Identify and separate temporal types in data systems

Identifies event, ingestion, processing, and valid time to support accurate schema, query, feature, and temporal data design.

Tags

Updated: 2026-10-04
timetemporal-modelingevent-timevalid-timedata-modelingML-features

Capabilities

Identify four temporal typesDistinguish event from ingestionSeparate processing from realityModel valid-time intervals

Typical Inputs

DatasetSchemaTime-related columns

Typical Outputs

Temporal column classificationSchema design guidanceQuery design guidance

What this skill does

  • Identify four temporal types
  • Distinguish event from ingestion
  • Separate processing from reality
  • Model valid-time intervals
  • Diagnose temporal conflation
  • Guide as-of query design

Inputs

  • Dataset
  • Schema
  • Time-related columns
  • System timestamps
  • Business time questions

Outputs

  • Temporal column classification
  • Schema design guidance
  • Query design guidance
  • Valid-time interval recommendations
  • Temporal issue diagnosis

Requirements

    Source

    • Spec: SKILL.md

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