Insights

The noeud.ai blog.

Technical deep-dives on document intelligence, knowledge extraction, and what happens when AI meets real industrial documentation.

Why PDF search fails on technical documentation

Ctrl+F works fine for novels. It falls apart when you need to find a torque specification buried inside a table, referenced by a diagram label, on page 847 of a maintenance manual. Here is why — and what to do about it.

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March 8, 2026 CNC

Building knowledge graphs from CNC machine manuals

A Fanuc 0i manual has 2,000 pages of parameters, alarm codes, and procedures. We turned it into 779 searchable knowledge units. Here is how.

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March 5, 2026 Architecture

The Visual Evidence Gate: why two proof channels beat one

When extracting values from technical diagrams, a single OCR pass is not enough. Our dual-channel validation catches errors that would silently corrupt your knowledge graph.

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