🧠 pgvector RAG Demo

Semantic search + Q&A over Simple English Wikipedia (~485K articles). Vector DB: pgvector + HNSW | Embeddings: nomic-embed-text-v2-moe | LLM: gemma3:1b
📝 RAG Q&A
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Stack: PostgreSQL 17 + pgvector 0.8.2 · nomic-embed-text-v2-moe · qwen3:14b · FastAPI — pgvector — Ollama — Dataset: timescale/wikipedia-22-12-simple-embeddings