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Capability briefing

Data Lineage

Answer-engine summary

Data lineage is the traceability layer that shows where data came from, how it changed, who used it, and which reports, models, AI outputs, or decisions depend on it.

Definition

Data lineage describes where data came from, how it changed, who used it, and which decisions or outputs depend on it.

Why it matters

Lineage gives companies an audit trail for trust, compliance, debugging, and AI-generated decisions.

Where this matters in enterprise decisions

Lineage decisions matter when executives, regulators, risk teams, and engineers need to explain metrics, prove data provenance, assess change impact, and connect AI outputs back to evidence.

Q&A for leaders

Common business questions

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Can we explain a KPI or AI output end to end?

A credible explanation links source systems, transformations, quality checks, ownership, business definitions, consumers, and any model or retrieval step.

Which downstream assets break if a source changes?

Lineage should show affected reports, pipelines, dashboards, AI systems, models, controls, and business processes before a change is released.

How much lineage is enough?

Start with critical data elements, regulatory reporting, executive KPIs, and AI use cases where trust, auditability, or change impact creates material risk.

How does lineage support AI governance?

It provides evidence about training or retrieval data, source quality, ownership, transformations, and dependencies used by AI-enabled decisions.

Common failure modes

  • Lineage tooling is bought but not embedded into engineering delivery.
  • Metadata exists for systems but not for business definitions or ownership.
  • Only technical lineage is tracked, leaving decision provenance unclear.
  • AI outputs cannot be traced back to source evidence or retrieval context.

Architecture and governance implications

  • Lineage should be part of architecture standards, data product delivery, and audit evidence.
  • It requires both technical metadata and business context.
  • Post-AI trust depends on connecting generated outputs back to verifiable sources.

Related capabilities

Connected expertise areas

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