FA-99515 / Vector retrieval ranking / Member archive
Vector retrieval: A repeated source dominates every selected result · case 05
A repeated source dominates every selected result.
Case contract
Rows [id,score,source]; greedily choose highest score with at most one per source.
Why this case matters
An offline vector retrieval toy model isolates one ranking contract from embedding generation, storage, and serving.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| source diversity | ["a", "b", "c"] | ["a", "c", "d"] | Failed |
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