A Systematic Review of Retrieval-Augmented Generation Techniques for Mitigating Hallucinations in Chatbot Systems
Large language model (LLM) chatbots are increasingly deployed in education, health care, and decision-support settings, yet their reliability is limited by hallucination: fluent responses that are factually incorrect, weakly grounded, or inconsistent with supplied evidence. Retrieval-Augmented Generation (RAG) addresse...