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The Data Report

Olivier

Weekly market signals on modern data platform shifts.

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Latest Issues

When Your Analytics Agent Can Trace Why a Number Looks Wrong

The 30-second version

  • A useful next job for an analytics agent is tracing why a number looks wrong through lineage and a read-only warehouse; the platform decision it forces is which systems become governed, read-only agent surfa...
8 days ago

You Can't Regression-Test a Language Model

The 30-second version

  • The month’s advice was “ground your analyst agent better.” One team’s answer this week: stop grounding, take the model off the decision path, and let deterministic rules make the calls the model just narrates. T...
15 days ago

Ask the Table Before You Optimize It

The 30-second version

  • Fabric made “has this table actually drifted?” a single T-SQL call. Gate your compaction job on it and you stop paying to reorganize tables that never changed.

  • The credible way to let an agent build...

22 days ago

Your AI Analytics Problem Isn’t the Model

The 30-second version

  • The same Claude went from 21% to 95% accuracy with no model change. The difference was a governed semantic layer and encoded skills. Your AI accuracy problem is a meaning problem.

  • Nasdaq’s agent-governance ru...

a month ago

Three Assumptions Your Data Stack Is Quietly Making

This Week

The semantic layer has always been the part of the stack you could trust to stay put. You write the metric definitions by hand, check them into version control, and they mean the same thing on Monday that they meant on Friday....

a month ago

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  • Olivier

    I build and write about modern data platforms, agentic analytics, semantic infrastructure, and the operating models that make data work useful. I run RepublicOfData.io and curate The Data Report.

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