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Ma-He Chen

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#machine learning Preprint Oct 2026

What Drives AI Citations? Content, Retrieval and Model Knowledge in Generative Engine Optimization (GEO)

This work studies what shapes citation in two 90-day collections of answers to commercial questions in contrasting markets, and controlled experiments show that brand names reorder its rankings of products with identical facts.

Ma-He Chen, Nick Koudas · 0 citations