Tag
vector-search
4 articles tagged with “vector-search”
Building a Personal AI Knowledge Base
How to build a personal RAG system over your notes, bookmarks, and documents — using embeddings, vector search, and a conversational interface.
pgvector 0.8/0.9: HNSW, halfvec, and RAG on Postgres
pgvector 0.8 (Oct 2024) iterative scans + halfvec, 0.9 sparse vectors, HNSW vs IVFFlat, EF Core 9 + Pgvector.EntityFrameworkCore, halfvec/bit quantization, hybrid search with tsvector, maintenance_work_mem for builds.
Pinecone Serverless: Namespaces, Hybrid Search, and Reranking
Pinecone serverless GA (2024), namespaces for multitenancy, sparse-dense hybrid, .NET PineconeClient, batch upserts, metadata filtering, built-in rerankers (BGE/Cohere), tenant offboarding via DeleteAll.
Weaviate 1.27+: Multi-Tenancy, Dynamic Indexes, and Generative Search
Weaviate 1.27/1.28 multi-tenancy, dynamic indexes (flat → HNSW), text2vec/generative modules, gRPC v4 clients, hybrid alpha, generative-openai for RAG-in-one-call, tenant offboarding.

