https://cognaptus.com/tags/re-ranking/ Recent content in Re-Ranking on Cognaptus Hugo -- 0.145.0 en-us Sat, 30 May 2026 00:00:00 +0000 https://cognaptus.com/blog/2026-05-30-dont-average-the-needle-spectral-retrieval-and-the-rag-evidence-problem/ Sat, 30 May 2026 00:00:00 +0000 https://cognaptus.com/blog/2026-05-30-dont-average-the-needle-spectral-retrieval-and-the-rag-evidence-problem/ A mechanism-first reading of Spectral Retrieval: why dense retrieval can bury localized evidence, how multi-scale sinc convolution tries to recover it, and where the business value actually begins.