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Marcelo Tibau

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Sep 2026

The degree of knowledge gain metric: Evaluating how searchers acquire new information while searching online

This study presents the degree of knowledge gain, a behavioral metric that estimates how much searchers learn during Web searches. Grounded in information theory and Shannon entropy, the metric quantifies reductions in uncertainty by analyzing query reformulations, clicks, and document positions, avoiding reliance on p...

Marcelo Tibau, S. Siqueira, Bernardo Pereira Nunes et al. · 0 citations

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