BirdNest Tech Talk

Oct 27, 2025 · Artificial Intelligence

Mastering LangChain Retrievers: From Basics to Multi‑Query and Ensemble Techniques

This article explains the concept of LangChain retrievers, compares them with vector stores, and provides step‑by‑step code examples for MultiQueryRetriever and EnsembleRetriever, showing how to boost recall and combine semantic and keyword search for robust RAG pipelines.