Big Data and Cognitive Computing· 2025Q1· Review
A Systematic Literature Review of Retrieval-Augmented Generation: Techniques, Metrics, and Challenges
- 43citations
- Q1SCImago
- 2025year
Short summary
A systematic review of 128 studies (Jan 2020-May 2025) reveals a shift in Retrieval-Augmented Generation (RAG) towards modular, policy-driven approaches with hybrid retrieval, uncertainty control, memory, and multimodality, aiming to reduce LLM hallucinations and improve grounding.
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Clinical PsychologyPsychology