Cognitive RAG
hybrid retrieval for multi-hop question answering.
- LangChain
- BM25
- cross-encoder
- Python
LangChain agents over a hybrid retrieval pipeline (BM25 sparse + bi-encoder dense), fused with reciprocal rank fusion and a Hugging Face cross-encoder re-ranker for precision on multi-hop QA. (QMIND design-team work.)