Evidence and limits
Finding: Combining parametric generation with explicit non-parametric retrieval improved several knowledge tasks and made source updates and provenance more tractable than parametric memory alone.
Impact: Strengthen source-linked retrieval. Reject retrieval as proof that the generated claim follows from or faithfully represents the source.
Boundary: Wikipedia benchmarks do not cover repository authority, correction, or deletion. Next: what evidence binds each durable claim to retrieved source spans and version?
Flags: Wikipedia tasks; retrieval is not entailment
Record State: Catalog review recorded; not a performance endorsement
What was reviewed: Structure and relevance screened; not a full evaluation