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where the hats denote scores each rescaled onto a comparable range before combination. At = 1 the ranking is purely semantic; at = 0 it collapses to lexical search; = 0.5 weights the two signals equally.
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Equation 3 · AI Agents & Systems
Building Production RAG: An Advanced Technical Guide
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where the hats denote scores each rescaled onto a comparable range before combination. At = 1 the ranking is purely semantic; at = 0 it collapses to lexical search; = 0.5 weights the two signals equally.