The staged hybrid filtering procedure for RAG systems consists of three steps: (1) Pre-filter on indexed attributes like date range, department, and access level to collapse the search space. (2) Run ANN (Approximate Nearest Neighbor) vector search (using HNSW or IVF algorithms) only on the filtered subset. (3) Post-filter on non-indexed attributes like author verification, tags, or word count.

Authors

• Person: Sumit Umbardand Organization: LinkedIn
  RAG Hallucinations: Retrieval Success ≠ Generation Accuracy

Sources

• RAG Hallucinations: Retrieval Success ≠ Generation Accuracy www.linkedin.com Sumit Umbardand · LinkedIn via serper

Referenced by nodes (2)

• Retrieval-Augmented Generation (RAG) concept
• vector search concept