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When Not to Trust Language Models: Investigating Effectiveness of Parametric & Non-Parametric Memories

Authors: Longpre et al. Year: 2023 ArXiv/Link: https://arxiv.org/abs/2212.10511

Summary

Analyzes when to use retrieval vs. parametric memory, providing guidance on knowledge source selection.

Key Concepts

  • Parametric vs non-parametric
  • Knowledge sources
  • Retrieval vs memory
  • Hallucination mitigation
  • Knowledge selection

Impact

Informed decisions on when to use retrieval augmentation

Category

Retrieval-Augmented Generation (RAG)