paper4 months ago
A Systematic Review of Key RAG Systems
arxiv.org →•July 29, 2025
Academic survey systematically reviewing the evolution of RAG systems from 2020 to 2025. The paper categorizes RAG approaches, analyzes performance benchmarks, and identifies open research challenges including multi-hop reasoning, retrieval quality, and integration with structured knowledge.
Why it matters: This systematic review provides researchers and practitioners with a comprehensive understanding of the RAG landscape and future research directions.
ragresearchsurvey
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