vector search

A complete guide to HNSW graph indexing for ANN search, with a worked greedy-routing example and practical tuning advice.

A detailed guide to Product Quantization (PQ) for compact vector search with a complete worked encoding and distance approximation example.

A practical deep dive into IVF indexing for approximate nearest neighbor search, including a fully worked numeric example and tuning guidance.

An accessible explanation of vector embeddings, similarity search, and why embeddings are useful.