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7 MIN · Module

Hallucination: why AI invents facts and how to catch it

Why AI systems state invented facts, quotes and citations with confidence, and the practical checks that catch fabricated detail before publication.

Where fabrication hides

A freelancer working for a regional daily in Leipzig asks an AI assistant for background on a dispute over a new cycle route. Back comes a tidy draft. It includes a quotation from a professor of transport planning, a reference to a peer-reviewed study with authors, journal and year, and a figure for how journeys changed after similar schemes elsewhere.…

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