Index on socratic noteshttps://socraticagent.dev/tags/index/Recent content in Index on socratic notesHugoenSat, 06 Jun 2026 00:00:00 +0000Why Your B-tree Index Is Useless for Semantic Search — And What HNSW Does Insteadhttps://socraticagent.dev/blog/hnsw-indexing-in-semantic-search/Sat, 06 Jun 2026 00:00:00 +0000https://socraticagent.dev/blog/hnsw-indexing-in-semantic-search/A first-principles walkthrough of why B-tree index is useless for semantic search - And what HNSW does instead.