Give the placer the whole map, not a shortlist. In MIT's classification pipeline retrieval was the main point of failure: if the right node was missing from the shortlist, nothing downstream could recover it, and putting the full ontology in context beat every retrieval variant.

Evidence 2 passages

• groundsUntitled source

  Across these variants, retrieval was the dominant bottleneck: if the correct node was missing or drowned in noisy candidates, downstream selection could not recover.

• groundsUntitled source

  The full-context SPFO variant provided the best overall tradeoff between agreement with human judgments, specificity, hallucination rate, and cost, which is why it is used in the final pipeline.

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