Author

Antoine Buteau

May 10, 2026 2 min read Free

The AI-Native Security Model Series #9: Incident Response for AI Systems

A concrete operator guide to incident response for ai systems: what changes, who owns it, how to verify it, and where it breaks.

May 10, 2026 1 min read Free

The Semantic Layer Series #3: Entity Definitions Before Metrics

Metrics depend on clear entity definitions since adding math to fuzzy concepts only produces fuzzy results.

May 10, 2026 1 min read Free

The Semantic Layer Series #2: The Semantic Layer Is Where Meaning Lives

A semantic layer turns business definitions from company folklore into reusable infrastructure.

May 10, 2026 1 min read Free

The Semantic Layer Series #1: Raw Data Is Not Business Meaning

A database field isn't business meaning, but simply evidence that a system captured an event at a specific time.

May 10, 2026 1 min read Free

The Semantic Layer Series #5: Dimensions, Segments, and Permissioned Meaning

Instead of acting as harmless filters, dimensions and segments determine exactly what comparisons are allowed to mean.

May 10, 2026 1 min read Free

The Semantic Layer Series #4: Metric Definitions Need Owners

Data teams can calculate the numbers, but a designated business owner must define and defend every important metric.

May 10, 2026 1 min read Free

The Semantic Layer Series #7: Data Contracts for Business Meaning

A data contract protecting only schemas is incomplete because your business can still break even when every column arrives on time.

May 10, 2026 1 min read Free

The Semantic Layer Series #6: Semantic Drift and Reconciliation

Business definitions fall out of sync when a company evolves but its reporting layer pretends nothing changed.

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