KNOWLEDGE, EMBEDDINGS & RAG • 116 / 397
Teach models to look up relevant information before answering.
Approximate Nearest Neighbor (ANN)
ANN search finds very close vector matches efficiently without checking every vector exactly.
Think of it like
Think of Approximate Nearest Neighbor (ANN) like a library system: instead of memorizing every book, find the right shelf and bring only the useful pages to the desk.
Real life
Search engines and recommendation systems use ideas related to Approximate Nearest Neighbor (ANN).
SRE lens
Large incident knowledge bases need ANN indexes for fast retrieval.
Remember thisANN search finds very close vector matches efficiently without checking every vector exactly.